Home / 25,490.49-35,177.10-14,878.06

Finding the Fourth Proportional to 25,490.49, 35,177.10 and 14,878.06

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Solution

The fourth proportional to 25,490.49, 35,177.10 and 14,878.06 is: 20,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.49 : 35,177.10 = 14,878.06 : x
  2. Step 2: Convert to fraction form
    25,490.49/35,177.10 = 14,878.06/x
  3. Step 3: Cross multiply
    25,490.49x = 35,177.10 × 14,878.06
  4. Step 4: Simplify right side
    25,490.49x = 523,367,004.43
  5. Step 5: Solve for x
    x = 523,367,004.43/25,490.49
  6. Step 6: Final answer
    x = 20,531.85

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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.