Home / 18,124.66-25,013.18-10,167.40

Finding the Fourth Proportional to 18,124.66, 25,013.18 and 10,167.40

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Solution

The fourth proportional to 18,124.66, 25,013.18 and 10,167.40 is: 14,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.66 : 25,013.18 = 10,167.40 : x
  2. Step 2: Convert to fraction form
    18,124.66/25,013.18 = 10,167.40/x
  3. Step 3: Cross multiply
    18,124.66x = 25,013.18 × 10,167.40
  4. Step 4: Simplify right side
    18,124.66x = 254,319,006.33
  5. Step 5: Solve for x
    x = 254,319,006.33/18,124.66
  6. Step 6: Final answer
    x = 14,031.66

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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.