Home / 15,077.76-22,615.20-9,231.36

Finding the Fourth Proportional to 15,077.76, 22,615.20 and 9,231.36

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Solution

The fourth proportional to 15,077.76, 22,615.20 and 9,231.36 is: 13,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.76 : 22,615.20 = 9,231.36 : x
  2. Step 2: Convert to fraction form
    15,077.76/22,615.20 = 9,231.36/x
  3. Step 3: Cross multiply
    15,077.76x = 22,615.20 × 9,231.36
  4. Step 4: Simplify right side
    15,077.76x = 208,769,052.67
  5. Step 5: Solve for x
    x = 208,769,052.67/15,077.76
  6. Step 6: Final answer
    x = 13,846.16

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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.