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Finding the Fourth Proportional to 17,397.60, 25,969.08 and 14,948.16

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Solution

The fourth proportional to 17,397.60, 25,969.08 and 14,948.16 is: 22,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.60 : 25,969.08 = 14,948.16 : x
  2. Step 2: Convert to fraction form
    17,397.60/25,969.08 = 14,948.16/x
  3. Step 3: Cross multiply
    17,397.60x = 25,969.08 × 14,948.16
  4. Step 4: Simplify right side
    17,397.60x = 388,189,962.89
  5. Step 5: Solve for x
    x = 388,189,962.89/17,397.60
  6. Step 6: Final answer
    x = 22,312.85

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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.