Home / 25,320.72-38,007.12-17,933.52

Finding the Fourth Proportional to 25,320.72, 38,007.12 and 17,933.52

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Solution

The fourth proportional to 25,320.72, 38,007.12 and 17,933.52 is: 26,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.72 : 38,007.12 = 17,933.52 : x
  2. Step 2: Convert to fraction form
    25,320.72/38,007.12 = 17,933.52/x
  3. Step 3: Cross multiply
    25,320.72x = 38,007.12 × 17,933.52
  4. Step 4: Simplify right side
    25,320.72x = 681,601,446.66
  5. Step 5: Solve for x
    x = 681,601,446.66/25,320.72
  6. Step 6: Final answer
    x = 26,918.72

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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.