Home / 25,901.91-35,744.78-15,296.78

Finding the Fourth Proportional to 25,901.91, 35,744.78 and 15,296.78

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Solution

The fourth proportional to 25,901.91, 35,744.78 and 15,296.78 is: 21,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,901.91 : 35,744.78 = 15,296.78 : x
  2. Step 2: Convert to fraction form
    25,901.91/35,744.78 = 15,296.78/x
  3. Step 3: Cross multiply
    25,901.91x = 35,744.78 × 15,296.78
  4. Step 4: Simplify right side
    25,901.91x = 546,780,035.81
  5. Step 5: Solve for x
    x = 546,780,035.81/25,901.91
  6. Step 6: Final answer
    x = 21,109.64

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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.