Home / 25,206.96-34,785.90-13,877.76

Finding the Fourth Proportional to 25,206.96, 34,785.90 and 13,877.76

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Solution

The fourth proportional to 25,206.96, 34,785.90 and 13,877.76 is: 19,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.96 : 34,785.90 = 13,877.76 : x
  2. Step 2: Convert to fraction form
    25,206.96/34,785.90 = 13,877.76/x
  3. Step 3: Cross multiply
    25,206.96x = 34,785.90 × 13,877.76
  4. Step 4: Simplify right side
    25,206.96x = 482,750,371.58
  5. Step 5: Solve for x
    x = 482,750,371.58/25,206.96
  6. Step 6: Final answer
    x = 19,151.47

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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.