Home / 39,575.12-59,372.28-11,873.12

Finding the Fourth Proportional to 39,575.12, 59,372.28 and 11,873.12

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Solution

The fourth proportional to 39,575.12, 59,372.28 and 11,873.12 is: 17,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.12 : 59,372.28 = 11,873.12 : x
  2. Step 2: Convert to fraction form
    39,575.12/59,372.28 = 11,873.12/x
  3. Step 3: Cross multiply
    39,575.12x = 59,372.28 × 11,873.12
  4. Step 4: Simplify right side
    39,575.12x = 704,934,205.11
  5. Step 5: Solve for x
    x = 704,934,205.11/39,575.12
  6. Step 6: Final answer
    x = 17,812.56

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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.