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Finding the Fourth Proportional to 18,077.84, 24,910.80 and 14,020.32

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Solution

The fourth proportional to 18,077.84, 24,910.80 and 14,020.32 is: 19,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.84 : 24,910.80 = 14,020.32 : x
  2. Step 2: Convert to fraction form
    18,077.84/24,910.80 = 14,020.32/x
  3. Step 3: Cross multiply
    18,077.84x = 24,910.80 × 14,020.32
  4. Step 4: Simplify right side
    18,077.84x = 349,257,387.46
  5. Step 5: Solve for x
    x = 349,257,387.46/18,077.84
  6. Step 6: Final answer
    x = 19,319.64

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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.