Home / 18,125.74-25,013.90-10,168.52

Finding the Fourth Proportional to 18,125.74, 25,013.90 and 10,168.52

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Solution

The fourth proportional to 18,125.74, 25,013.90 and 10,168.52 is: 14,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.74 : 25,013.90 = 10,168.52 : x
  2. Step 2: Convert to fraction form
    18,125.74/25,013.90 = 10,168.52/x
  3. Step 3: Cross multiply
    18,125.74x = 25,013.90 × 10,168.52
  4. Step 4: Simplify right side
    18,125.74x = 254,354,291.59
  5. Step 5: Solve for x
    x = 254,354,291.59/18,125.74
  6. Step 6: Final answer
    x = 14,032.77

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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.