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Finding the Fourth Proportional to 18,527.01, 25,567.02 and 10,143.51

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Solution

The fourth proportional to 18,527.01, 25,567.02 and 10,143.51 is: 13,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.01 : 25,567.02 = 10,143.51 : x
  2. Step 2: Convert to fraction form
    18,527.01/25,567.02 = 10,143.51/x
  3. Step 3: Cross multiply
    18,527.01x = 25,567.02 × 10,143.51
  4. Step 4: Simplify right side
    18,527.01x = 259,339,323.04
  5. Step 5: Solve for x
    x = 259,339,323.04/18,527.01
  6. Step 6: Final answer
    x = 13,997.90

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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.