Home / 14,539.69-20,064.70-8,166.29

Finding the Fourth Proportional to 14,539.69, 20,064.70 and 8,166.29

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Solution

The fourth proportional to 14,539.69, 20,064.70 and 8,166.29 is: 11,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.69 : 20,064.70 = 8,166.29 : x
  2. Step 2: Convert to fraction form
    14,539.69/20,064.70 = 8,166.29/x
  3. Step 3: Cross multiply
    14,539.69x = 20,064.70 × 8,166.29
  4. Step 4: Simplify right side
    14,539.69x = 163,854,068.85
  5. Step 5: Solve for x
    x = 163,854,068.85/14,539.69
  6. Step 6: Final answer
    x = 11,269.43

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Half scale
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Double scale
Find fourth proportional to 14,540.69, 20,066.08 and 8,167.29
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.