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Finding the Fourth Proportional to 14,995.20, 22,444.20 and 10,621.20

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Solution

The fourth proportional to 14,995.20, 22,444.20 and 10,621.20 is: 15,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.20 : 22,444.20 = 10,621.20 : x
  2. Step 2: Convert to fraction form
    14,995.20/22,444.20 = 10,621.20/x
  3. Step 3: Cross multiply
    14,995.20x = 22,444.20 × 10,621.20
  4. Step 4: Simplify right side
    14,995.20x = 238,384,337.04
  5. Step 5: Solve for x
    x = 238,384,337.04/14,995.20
  6. Step 6: Final answer
    x = 15,897.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.