Home / 14,651.60-20,219.27-7,937.21

Finding the Fourth Proportional to 14,651.60, 20,219.27 and 7,937.21

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Solution

The fourth proportional to 14,651.60, 20,219.27 and 7,937.21 is: 10,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.60 : 20,219.27 = 7,937.21 : x
  2. Step 2: Convert to fraction form
    14,651.60/20,219.27 = 7,937.21/x
  3. Step 3: Cross multiply
    14,651.60x = 20,219.27 × 7,937.21
  4. Step 4: Simplify right side
    14,651.60x = 160,484,592.04
  5. Step 5: Solve for x
    x = 160,484,592.04/14,651.60
  6. Step 6: Final answer
    x = 10,953.38

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Half scale
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Double scale
Find fourth proportional to 14,652.60, 20,220.65 and 7,938.21
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.