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Finding the Fourth Proportional to 14,705.80, 22,058.70 and 9,141.10

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Solution

The fourth proportional to 14,705.80, 22,058.70 and 9,141.10 is: 13,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.80 : 22,058.70 = 9,141.10 : x
  2. Step 2: Convert to fraction form
    14,705.80/22,058.70 = 9,141.10/x
  3. Step 3: Cross multiply
    14,705.80x = 22,058.70 × 9,141.10
  4. Step 4: Simplify right side
    14,705.80x = 201,640,782.57
  5. Step 5: Solve for x
    x = 201,640,782.57/14,705.80
  6. Step 6: Final answer
    x = 13,711.65

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Similar ratio
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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.