Home / 25,038.83-37,565.31-12,543.77

Finding the Fourth Proportional to 25,038.83, 37,565.31 and 12,543.77

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Solution

The fourth proportional to 25,038.83, 37,565.31 and 12,543.77 is: 18,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.83 : 37,565.31 = 12,543.77 : x
  2. Step 2: Convert to fraction form
    25,038.83/37,565.31 = 12,543.77/x
  3. Step 3: Cross multiply
    25,038.83x = 37,565.31 × 12,543.77
  4. Step 4: Simplify right side
    25,038.83x = 471,210,608.62
  5. Step 5: Solve for x
    x = 471,210,608.62/25,038.83
  6. Step 6: Final answer
    x = 18,819.19

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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.