Home / 15,972.18-22,029.88-10,304.05

Finding the Fourth Proportional to 15,972.18, 22,029.88 and 10,304.05

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Solution

The fourth proportional to 15,972.18, 22,029.88 and 10,304.05 is: 14,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.18 : 22,029.88 = 10,304.05 : x
  2. Step 2: Convert to fraction form
    15,972.18/22,029.88 = 10,304.05/x
  3. Step 3: Cross multiply
    15,972.18x = 22,029.88 × 10,304.05
  4. Step 4: Simplify right side
    15,972.18x = 226,996,933.49
  5. Step 5: Solve for x
    x = 226,996,933.49/15,972.18
  6. Step 6: Final answer
    x = 14,212.02

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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.