Home / 25,453.43-35,153.19-19,854.71

Finding the Fourth Proportional to 25,453.43, 35,153.19 and 19,854.71

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Solution

The fourth proportional to 25,453.43, 35,153.19 and 19,854.71 is: 27,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.43 : 35,153.19 = 19,854.71 : x
  2. Step 2: Convert to fraction form
    25,453.43/35,153.19 = 19,854.71/x
  3. Step 3: Cross multiply
    25,453.43x = 35,153.19 × 19,854.71
  4. Step 4: Simplify right side
    25,453.43x = 697,956,393.02
  5. Step 5: Solve for x
    x = 697,956,393.02/25,453.43
  6. Step 6: Final answer
    x = 27,420.92

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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.