Home / 25,451.68-35,125.25-14,123.32

Finding the Fourth Proportional to 25,451.68, 35,125.25 and 14,123.32

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Solution

The fourth proportional to 25,451.68, 35,125.25 and 14,123.32 is: 19,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.68 : 35,125.25 = 14,123.32 : x
  2. Step 2: Convert to fraction form
    25,451.68/35,125.25 = 14,123.32/x
  3. Step 3: Cross multiply
    25,451.68x = 35,125.25 × 14,123.32
  4. Step 4: Simplify right side
    25,451.68x = 496,085,179.10
  5. Step 5: Solve for x
    x = 496,085,179.10/25,451.68
  6. Step 6: Final answer
    x = 19,491.25

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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.