Home / 25,456.97-35,128.92-14,125.74

Finding the Fourth Proportional to 25,456.97, 35,128.92 and 14,125.74

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Solution

The fourth proportional to 25,456.97, 35,128.92 and 14,125.74 is: 19,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.97 : 35,128.92 = 14,125.74 : x
  2. Step 2: Convert to fraction form
    25,456.97/35,128.92 = 14,125.74/x
  3. Step 3: Cross multiply
    25,456.97x = 35,128.92 × 14,125.74
  4. Step 4: Simplify right side
    25,456.97x = 496,221,990.40
  5. Step 5: Solve for x
    x = 496,221,990.40/25,456.97
  6. Step 6: Final answer
    x = 19,492.58

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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.