Home / 25,913.91-35,759.24-15,301.50

Finding the Fourth Proportional to 25,913.91, 35,759.24 and 15,301.50

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Solution

The fourth proportional to 25,913.91, 35,759.24 and 15,301.50 is: 21,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.91 : 35,759.24 = 15,301.50 : x
  2. Step 2: Convert to fraction form
    25,913.91/35,759.24 = 15,301.50/x
  3. Step 3: Cross multiply
    25,913.91x = 35,759.24 × 15,301.50
  4. Step 4: Simplify right side
    25,913.91x = 547,169,934.35
  5. Step 5: Solve for x
    x = 547,169,934.35/25,913.91
  6. Step 6: Final answer
    x = 21,114.91

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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.