Home / 15,539.58-21,444.84-8,466.12

Finding the Fourth Proportional to 15,539.58, 21,444.84 and 8,466.12

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Solution

The fourth proportional to 15,539.58, 21,444.84 and 8,466.12 is: 11,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.58 : 21,444.84 = 8,466.12 : x
  2. Step 2: Convert to fraction form
    15,539.58/21,444.84 = 8,466.12/x
  3. Step 3: Cross multiply
    15,539.58x = 21,444.84 × 8,466.12
  4. Step 4: Simplify right side
    15,539.58x = 181,554,588.82
  5. Step 5: Solve for x
    x = 181,554,588.82/15,539.58
  6. Step 6: Final answer
    x = 11,683.37

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Half scale
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Double scale
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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.