Home / 15,965.36-22,032.20-8,892.44

Finding the Fourth Proportional to 15,965.36, 22,032.20 and 8,892.44

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Solution

The fourth proportional to 15,965.36, 22,032.20 and 8,892.44 is: 12,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.36 : 22,032.20 = 8,892.44 : x
  2. Step 2: Convert to fraction form
    15,965.36/22,032.20 = 8,892.44/x
  3. Step 3: Cross multiply
    15,965.36x = 22,032.20 × 8,892.44
  4. Step 4: Simplify right side
    15,965.36x = 195,920,016.57
  5. Step 5: Solve for x
    x = 195,920,016.57/15,965.36
  6. Step 6: Final answer
    x = 12,271.57

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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.