Home / 15,999.24-22,071.78-9,280.96

Finding the Fourth Proportional to 15,999.24, 22,071.78 and 9,280.96

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Solution

The fourth proportional to 15,999.24, 22,071.78 and 9,280.96 is: 12,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.24 : 22,071.78 = 9,280.96 : x
  2. Step 2: Convert to fraction form
    15,999.24/22,071.78 = 9,280.96/x
  3. Step 3: Cross multiply
    15,999.24x = 22,071.78 × 9,280.96
  4. Step 4: Simplify right side
    15,999.24x = 204,847,307.31
  5. Step 5: Solve for x
    x = 204,847,307.31/15,999.24
  6. Step 6: Final answer
    x = 12,803.56

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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.