Home / 15,077.52-22,586.04-7,681.68

Finding the Fourth Proportional to 15,077.52, 22,586.04 and 7,681.68

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Solution

The fourth proportional to 15,077.52, 22,586.04 and 7,681.68 is: 11,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.52 : 22,586.04 = 7,681.68 : x
  2. Step 2: Convert to fraction form
    15,077.52/22,586.04 = 7,681.68/x
  3. Step 3: Cross multiply
    15,077.52x = 22,586.04 × 7,681.68
  4. Step 4: Simplify right side
    15,077.52x = 173,498,731.75
  5. Step 5: Solve for x
    x = 173,498,731.75/15,077.52
  6. Step 6: Final answer
    x = 11,507.11

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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.