Home / 16,294.88-22,483.20-9,219.76

Finding the Fourth Proportional to 16,294.88, 22,483.20 and 9,219.76

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Solution

The fourth proportional to 16,294.88, 22,483.20 and 9,219.76 is: 12,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.88 : 22,483.20 = 9,219.76 : x
  2. Step 2: Convert to fraction form
    16,294.88/22,483.20 = 9,219.76/x
  3. Step 3: Cross multiply
    16,294.88x = 22,483.20 × 9,219.76
  4. Step 4: Simplify right side
    16,294.88x = 207,289,708.03
  5. Step 5: Solve for x
    x = 207,289,708.03/16,294.88
  6. Step 6: Final answer
    x = 12,721.16

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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.