Home / 25,587.57-38,417.22-13,116.54

Finding the Fourth Proportional to 25,587.57, 38,417.22 and 13,116.54

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Solution

The fourth proportional to 25,587.57, 38,417.22 and 13,116.54 is: 19,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.57 : 38,417.22 = 13,116.54 : x
  2. Step 2: Convert to fraction form
    25,587.57/38,417.22 = 13,116.54/x
  3. Step 3: Cross multiply
    25,587.57x = 38,417.22 × 13,116.54
  4. Step 4: Simplify right side
    25,587.57x = 503,901,002.82
  5. Step 5: Solve for x
    x = 503,901,002.82/25,587.57
  6. Step 6: Final answer
    x = 19,693.19

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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.