Home / 25,843.81-38,715.52-15,144.22

Finding the Fourth Proportional to 25,843.81, 38,715.52 and 15,144.22

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Solution

The fourth proportional to 25,843.81, 38,715.52 and 15,144.22 is: 22,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.81 : 38,715.52 = 15,144.22 : x
  2. Step 2: Convert to fraction form
    25,843.81/38,715.52 = 15,144.22/x
  3. Step 3: Cross multiply
    25,843.81x = 38,715.52 × 15,144.22
  4. Step 4: Simplify right side
    25,843.81x = 586,316,173.45
  5. Step 5: Solve for x
    x = 586,316,173.45/25,843.81
  6. Step 6: Final answer
    x = 22,686.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.