Home / 15,018.76-22,531.56-7,995.07

Finding the Fourth Proportional to 15,018.76, 22,531.56 and 7,995.07

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Solution

The fourth proportional to 15,018.76, 22,531.56 and 7,995.07 is: 11,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.76 : 22,531.56 = 7,995.07 : x
  2. Step 2: Convert to fraction form
    15,018.76/22,531.56 = 7,995.07/x
  3. Step 3: Cross multiply
    15,018.76x = 22,531.56 × 7,995.07
  4. Step 4: Simplify right side
    15,018.76x = 180,141,359.43
  5. Step 5: Solve for x
    x = 180,141,359.43/15,018.76
  6. Step 6: Final answer
    x = 11,994.43

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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.