Home / 15,765.74-23,646.78-4,078.04

Finding the Fourth Proportional to 15,765.74, 23,646.78 and 4,078.04

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Solution

The fourth proportional to 15,765.74, 23,646.78 and 4,078.04 is: 6,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.74 : 23,646.78 = 4,078.04 : x
  2. Step 2: Convert to fraction form
    15,765.74/23,646.78 = 4,078.04/x
  3. Step 3: Cross multiply
    15,765.74x = 23,646.78 × 4,078.04
  4. Step 4: Simplify right side
    15,765.74x = 96,432,514.71
  5. Step 5: Solve for x
    x = 96,432,514.71/15,765.74
  6. Step 6: Final answer
    x = 6,116.59

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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.