Home / 25,923.68-35,752.56-21,909.92

Finding the Fourth Proportional to 25,923.68, 35,752.56 and 21,909.92

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Solution

The fourth proportional to 25,923.68, 35,752.56 and 21,909.92 is: 30,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.68 : 35,752.56 = 21,909.92 : x
  2. Step 2: Convert to fraction form
    25,923.68/35,752.56 = 21,909.92/x
  3. Step 3: Cross multiply
    25,923.68x = 35,752.56 × 21,909.92
  4. Step 4: Simplify right side
    25,923.68x = 783,335,729.40
  5. Step 5: Solve for x
    x = 783,335,729.40/25,923.68
  6. Step 6: Final answer
    x = 30,217.00

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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.