Home / 25,926.46-38,897.86-8,156.40

Finding the Fourth Proportional to 25,926.46, 38,897.86 and 8,156.40

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Solution

The fourth proportional to 25,926.46, 38,897.86 and 8,156.40 is: 12,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.46 : 38,897.86 = 8,156.40 : x
  2. Step 2: Convert to fraction form
    25,926.46/38,897.86 = 8,156.40/x
  3. Step 3: Cross multiply
    25,926.46x = 38,897.86 × 8,156.40
  4. Step 4: Simplify right side
    25,926.46x = 317,266,505.30
  5. Step 5: Solve for x
    x = 317,266,505.30/25,926.46
  6. Step 6: Final answer
    x = 12,237.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.