Home / 25,451.50-35,123.07-14,273.50

Finding the Fourth Proportional to 25,451.50, 35,123.07 and 14,273.50

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Solution

The fourth proportional to 25,451.50, 35,123.07 and 14,273.50 is: 19,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.50 : 35,123.07 = 14,273.50 : x
  2. Step 2: Convert to fraction form
    25,451.50/35,123.07 = 14,273.50/x
  3. Step 3: Cross multiply
    25,451.50x = 35,123.07 × 14,273.50
  4. Step 4: Simplify right side
    25,451.50x = 501,329,139.65
  5. Step 5: Solve for x
    x = 501,329,139.65/25,451.50
  6. Step 6: Final answer
    x = 19,697.43

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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.