Home / 25,726.41-35,503.11-15,116.63

Finding the Fourth Proportional to 25,726.41, 35,503.11 and 15,116.63

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Solution

The fourth proportional to 25,726.41, 35,503.11 and 15,116.63 is: 20,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.41 : 35,503.11 = 15,116.63 : x
  2. Step 2: Convert to fraction form
    25,726.41/35,503.11 = 15,116.63/x
  3. Step 3: Cross multiply
    25,726.41x = 35,503.11 × 15,116.63
  4. Step 4: Simplify right side
    25,726.41x = 536,687,200.20
  5. Step 5: Solve for x
    x = 536,687,200.20/25,726.41
  6. Step 6: Final answer
    x = 20,861.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.