Home / 25,863.66-38,718.95-15,971.13

Finding the Fourth Proportional to 25,863.66, 38,718.95 and 15,971.13

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Solution

The fourth proportional to 25,863.66, 38,718.95 and 15,971.13 is: 23,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.66 : 38,718.95 = 15,971.13 : x
  2. Step 2: Convert to fraction form
    25,863.66/38,718.95 = 15,971.13/x
  3. Step 3: Cross multiply
    25,863.66x = 38,718.95 × 15,971.13
  4. Step 4: Simplify right side
    25,863.66x = 618,385,304.06
  5. Step 5: Solve for x
    x = 618,385,304.06/25,863.66
  6. Step 6: Final answer
    x = 23,909.43

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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.