Home / 18,587.10-25,652.98-11,877.18

Finding the Fourth Proportional to 18,587.10, 25,652.98 and 11,877.18

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Solution

The fourth proportional to 18,587.10, 25,652.98 and 11,877.18 is: 16,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.10 : 25,652.98 = 11,877.18 : x
  2. Step 2: Convert to fraction form
    18,587.10/25,652.98 = 11,877.18/x
  3. Step 3: Cross multiply
    18,587.10x = 25,652.98 × 11,877.18
  4. Step 4: Simplify right side
    18,587.10x = 304,685,061.00
  5. Step 5: Solve for x
    x = 304,685,061.00/18,587.10
  6. Step 6: Final answer
    x = 16,392.29

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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.