Home / 38,389.14-57,569.13-18,655.11

Finding the Fourth Proportional to 38,389.14, 57,569.13 and 18,655.11

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Solution

The fourth proportional to 38,389.14, 57,569.13 and 18,655.11 is: 27,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.14 : 57,569.13 = 18,655.11 : x
  2. Step 2: Convert to fraction form
    38,389.14/57,569.13 = 18,655.11/x
  3. Step 3: Cross multiply
    38,389.14x = 57,569.13 × 18,655.11
  4. Step 4: Simplify right side
    38,389.14x = 1,073,958,452.75
  5. Step 5: Solve for x
    x = 1,073,958,452.75/38,389.14
  6. Step 6: Final answer
    x = 27,975.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.