Home / 15,787.88-23,678.58-5,926.76

Finding the Fourth Proportional to 15,787.88, 23,678.58 and 5,926.76

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Solution

The fourth proportional to 15,787.88, 23,678.58 and 5,926.76 is: 8,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.88 : 23,678.58 = 5,926.76 : x
  2. Step 2: Convert to fraction form
    15,787.88/23,678.58 = 5,926.76/x
  3. Step 3: Cross multiply
    15,787.88x = 23,678.58 × 5,926.76
  4. Step 4: Simplify right side
    15,787.88x = 140,337,260.80
  5. Step 5: Solve for x
    x = 140,337,260.80/15,787.88
  6. Step 6: Final answer
    x = 8,888.92

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1.5x scale

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.