Home / 38,302.07-57,453.39-13,342.08

Finding the Fourth Proportional to 38,302.07, 57,453.39 and 13,342.08

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Solution

The fourth proportional to 38,302.07, 57,453.39 and 13,342.08 is: 20,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.07 : 57,453.39 = 13,342.08 : x
  2. Step 2: Convert to fraction form
    38,302.07/57,453.39 = 13,342.08/x
  3. Step 3: Cross multiply
    38,302.07x = 57,453.39 × 13,342.08
  4. Step 4: Simplify right side
    38,302.07x = 766,547,438.38
  5. Step 5: Solve for x
    x = 766,547,438.38/38,302.07
  6. Step 6: Final answer
    x = 20,013.21

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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.