Home / 25,265.40-34,868.64-14,511.78

Finding the Fourth Proportional to 25,265.40, 34,868.64 and 14,511.78

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Solution

The fourth proportional to 25,265.40, 34,868.64 and 14,511.78 is: 20,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.40 : 34,868.64 = 14,511.78 : x
  2. Step 2: Convert to fraction form
    25,265.40/34,868.64 = 14,511.78/x
  3. Step 3: Cross multiply
    25,265.40x = 34,868.64 × 14,511.78
  4. Step 4: Simplify right side
    25,265.40x = 506,006,032.58
  5. Step 5: Solve for x
    x = 506,006,032.58/25,265.40
  6. Step 6: Final answer
    x = 20,027.63

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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.