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Finding the Fourth Proportional to 17,480.70, 24,140.50 and 14,948.18

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Solution

The fourth proportional to 17,480.70, 24,140.50 and 14,948.18 is: 20,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.70 : 24,140.50 = 14,948.18 : x
  2. Step 2: Convert to fraction form
    17,480.70/24,140.50 = 14,948.18/x
  3. Step 3: Cross multiply
    17,480.70x = 24,140.50 × 14,948.18
  4. Step 4: Simplify right side
    17,480.70x = 360,856,539.29
  5. Step 5: Solve for x
    x = 360,856,539.29/17,480.70
  6. Step 6: Final answer
    x = 20,643.14

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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.