Home / 25,452.43-35,151.81-19,853.71

Finding the Fourth Proportional to 25,452.43, 35,151.81 and 19,853.71

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Solution

The fourth proportional to 25,452.43, 35,151.81 and 19,853.71 is: 27,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.43 : 35,151.81 = 19,853.71 : x
  2. Step 2: Convert to fraction form
    25,452.43/35,151.81 = 19,853.71/x
  3. Step 3: Cross multiply
    25,452.43x = 35,151.81 × 19,853.71
  4. Step 4: Simplify right side
    25,452.43x = 697,893,841.72
  5. Step 5: Solve for x
    x = 697,893,841.72/25,452.43
  6. Step 6: Final answer
    x = 27,419.54

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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.