Home / 15,955.47-22,018.70-8,882.05

Finding the Fourth Proportional to 15,955.47, 22,018.70 and 8,882.05

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Solution

The fourth proportional to 15,955.47, 22,018.70 and 8,882.05 is: 12,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.47 : 22,018.70 = 8,882.05 : x
  2. Step 2: Convert to fraction form
    15,955.47/22,018.70 = 8,882.05/x
  3. Step 3: Cross multiply
    15,955.47x = 22,018.70 × 8,882.05
  4. Step 4: Simplify right side
    15,955.47x = 195,571,084.24
  5. Step 5: Solve for x
    x = 195,571,084.24/15,955.47
  6. Step 6: Final answer
    x = 12,257.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.