Home / 25,451.90-35,123.58-14,123.14

Finding the Fourth Proportional to 25,451.90, 35,123.58 and 14,123.14

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Solution

The fourth proportional to 25,451.90, 35,123.58 and 14,123.14 is: 19,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.90 : 35,123.58 = 14,123.14 : x
  2. Step 2: Convert to fraction form
    25,451.90/35,123.58 = 14,123.14/x
  3. Step 3: Cross multiply
    25,451.90x = 35,123.58 × 14,123.14
  4. Step 4: Simplify right side
    25,451.90x = 496,055,237.64
  5. Step 5: Solve for x
    x = 496,055,237.64/25,451.90
  6. Step 6: Final answer
    x = 19,489.91

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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.