Home / 17,901.84-24,711.20-15,373.80

Finding the Fourth Proportional to 17,901.84, 24,711.20 and 15,373.80

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Solution

The fourth proportional to 17,901.84, 24,711.20 and 15,373.80 is: 21,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901.84 : 24,711.20 = 15,373.80 : x
  2. Step 2: Convert to fraction form
    17,901.84/24,711.20 = 15,373.80/x
  3. Step 3: Cross multiply
    17,901.84x = 24,711.20 × 15,373.80
  4. Step 4: Simplify right side
    17,901.84x = 379,904,969.69
  5. Step 5: Solve for x
    x = 379,904,969.69/17,901.84
  6. Step 6: Final answer
    x = 21,221.56

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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.