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Finding the Fourth Proportional to 18,527, 25,567.26 and 10,143.52

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Solution

The fourth proportional to 18,527, 25,567.26 and 10,143.52 is: 13,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527 : 25,567.26 = 10,143.52 : x
  2. Step 2: Convert to fraction form
    18,527/25,567.26 = 10,143.52/x
  3. Step 3: Cross multiply
    18,527x = 25,567.26 × 10,143.52
  4. Step 4: Simplify right side
    18,527x = 259,342,013.16
  5. Step 5: Solve for x
    x = 259,342,013.16/18,527
  6. Step 6: Final answer
    x = 13,998.06

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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.