Home / 15,126.44-22,689.66-4,739

Finding the Fourth Proportional to 15,126.44, 22,689.66 and 4,739

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Solution

The fourth proportional to 15,126.44, 22,689.66 and 4,739 is: 7,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.44 : 22,689.66 = 4,739 : x
  2. Step 2: Convert to fraction form
    15,126.44/22,689.66 = 4,739/x
  3. Step 3: Cross multiply
    15,126.44x = 22,689.66 × 4,739
  4. Step 4: Simplify right side
    15,126.44x = 107,526,298.74
  5. Step 5: Solve for x
    x = 107,526,298.74/15,126.44
  6. Step 6: Final answer
    x = 7,108.50

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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.