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Finding the Fourth Proportional to 18,587.10, 25,650.23 and 10,089.23

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Solution

The fourth proportional to 18,587.10, 25,650.23 and 10,089.23 is: 13,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.10 : 25,650.23 = 10,089.23 : x
  2. Step 2: Convert to fraction form
    18,587.10/25,650.23 = 10,089.23/x
  3. Step 3: Cross multiply
    18,587.10x = 25,650.23 × 10,089.23
  4. Step 4: Simplify right side
    18,587.10x = 258,791,070.02
  5. Step 5: Solve for x
    x = 258,791,070.02/18,587.10
  6. Step 6: Final answer
    x = 13,923.15

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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.