Home / 13,561.43-18,714.39-7,593.62

Finding the Fourth Proportional to 13,561.43, 18,714.39 and 7,593.62

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Solution

The fourth proportional to 13,561.43, 18,714.39 and 7,593.62 is: 10,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.43 : 18,714.39 = 7,593.62 : x
  2. Step 2: Convert to fraction form
    13,561.43/18,714.39 = 7,593.62/x
  3. Step 3: Cross multiply
    13,561.43x = 18,714.39 × 7,593.62
  4. Step 4: Simplify right side
    13,561.43x = 142,109,966.19
  5. Step 5: Solve for x
    x = 142,109,966.19/13,561.43
  6. Step 6: Final answer
    x = 10,478.98

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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.