Home / 18,126.76-25,014.88-10,061.65

Finding the Fourth Proportional to 18,126.76, 25,014.88 and 10,061.65

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Solution

The fourth proportional to 18,126.76, 25,014.88 and 10,061.65 is: 13,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.76 : 25,014.88 = 10,061.65 : x
  2. Step 2: Convert to fraction form
    18,126.76/25,014.88 = 10,061.65/x
  3. Step 3: Cross multiply
    18,126.76x = 25,014.88 × 10,061.65
  4. Step 4: Simplify right side
    18,126.76x = 251,690,967.35
  5. Step 5: Solve for x
    x = 251,690,967.35/18,126.76
  6. Step 6: Final answer
    x = 13,885.05

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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.