Home / 25,008.82-34,511.68-13,678.27

Finding the Fourth Proportional to 25,008.82, 34,511.68 and 13,678.27

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Solution

The fourth proportional to 25,008.82, 34,511.68 and 13,678.27 is: 18,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.82 : 34,511.68 = 13,678.27 : x
  2. Step 2: Convert to fraction form
    25,008.82/34,511.68 = 13,678.27/x
  3. Step 3: Cross multiply
    25,008.82x = 34,511.68 × 13,678.27
  4. Step 4: Simplify right side
    25,008.82x = 472,060,008.80
  5. Step 5: Solve for x
    x = 472,060,008.80/25,008.82
  6. Step 6: Final answer
    x = 18,875.74

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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.