Home / 15,786.73-23,680.50-7,470.64

Finding the Fourth Proportional to 15,786.73, 23,680.50 and 7,470.64

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Solution

The fourth proportional to 15,786.73, 23,680.50 and 7,470.64 is: 11,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.73 : 23,680.50 = 7,470.64 : x
  2. Step 2: Convert to fraction form
    15,786.73/23,680.50 = 7,470.64/x
  3. Step 3: Cross multiply
    15,786.73x = 23,680.50 × 7,470.64
  4. Step 4: Simplify right side
    15,786.73x = 176,908,490.52
  5. Step 5: Solve for x
    x = 176,908,490.52/15,786.73
  6. Step 6: Final answer
    x = 11,206.15

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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.