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Finding the Fourth Proportional to 14,821.65, 22,041.72 and 14,354.42

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Solution

The fourth proportional to 14,821.65, 22,041.72 and 14,354.42 is: 21,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.65 : 22,041.72 = 14,354.42 : x
  2. Step 2: Convert to fraction form
    14,821.65/22,041.72 = 14,354.42/x
  3. Step 3: Cross multiply
    14,821.65x = 22,041.72 × 14,354.42
  4. Step 4: Simplify right side
    14,821.65x = 316,395,996.19
  5. Step 5: Solve for x
    x = 316,395,996.19/14,821.65
  6. Step 6: Final answer
    x = 21,346.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.