Home / 25,558.08-38,337.32-8,918.04

Finding the Fourth Proportional to 25,558.08, 38,337.32 and 8,918.04

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Solution

The fourth proportional to 25,558.08, 38,337.32 and 8,918.04 is: 13,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.08 : 38,337.32 = 8,918.04 : x
  2. Step 2: Convert to fraction form
    25,558.08/38,337.32 = 8,918.04/x
  3. Step 3: Cross multiply
    25,558.08x = 38,337.32 × 8,918.04
  4. Step 4: Simplify right side
    25,558.08x = 341,893,753.25
  5. Step 5: Solve for x
    x = 341,893,753.25/25,558.08
  6. Step 6: Final answer
    x = 13,377.13

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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.