Home / 28,451.25-42,691.86-14,600.25

Finding the Fourth Proportional to 28,451.25, 42,691.86 and 14,600.25

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Solution

The fourth proportional to 28,451.25, 42,691.86 and 14,600.25 is: 21,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.25 : 42,691.86 = 14,600.25 : x
  2. Step 2: Convert to fraction form
    28,451.25/42,691.86 = 14,600.25/x
  3. Step 3: Cross multiply
    28,451.25x = 42,691.86 × 14,600.25
  4. Step 4: Simplify right side
    28,451.25x = 623,311,828.97
  5. Step 5: Solve for x
    x = 623,311,828.97/28,451.25
  6. Step 6: Final answer
    x = 21,908.06

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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.