Home / 22,037.04-30,420.96-13,087.43

Finding the Fourth Proportional to 22,037.04, 30,420.96 and 13,087.43

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Solution

The fourth proportional to 22,037.04, 30,420.96 and 13,087.43 is: 18,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.04 : 30,420.96 = 13,087.43 : x
  2. Step 2: Convert to fraction form
    22,037.04/30,420.96 = 13,087.43/x
  3. Step 3: Cross multiply
    22,037.04x = 30,420.96 × 13,087.43
  4. Step 4: Simplify right side
    22,037.04x = 398,132,032.43
  5. Step 5: Solve for x
    x = 398,132,032.43/22,037.04
  6. Step 6: Final answer
    x = 18,066.49

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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.