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Finding the Fourth Proportional to 18,569.39, 25,609.10 and 14,482.13

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Solution

The fourth proportional to 18,569.39, 25,609.10 and 14,482.13 is: 19,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.39 : 25,609.10 = 14,482.13 : x
  2. Step 2: Convert to fraction form
    18,569.39/25,609.10 = 14,482.13/x
  3. Step 3: Cross multiply
    18,569.39x = 25,609.10 × 14,482.13
  4. Step 4: Simplify right side
    18,569.39x = 370,874,114.93
  5. Step 5: Solve for x
    x = 370,874,114.93/18,569.39
  6. Step 6: Final answer
    x = 19,972.34

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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.