Home / 15,974.89-22,045.05-8,707.04

Finding the Fourth Proportional to 15,974.89, 22,045.05 and 8,707.04

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Solution

The fourth proportional to 15,974.89, 22,045.05 and 8,707.04 is: 12,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.89 : 22,045.05 = 8,707.04 : x
  2. Step 2: Convert to fraction form
    15,974.89/22,045.05 = 8,707.04/x
  3. Step 3: Cross multiply
    15,974.89x = 22,045.05 × 8,707.04
  4. Step 4: Simplify right side
    15,974.89x = 191,947,132.15
  5. Step 5: Solve for x
    x = 191,947,132.15/15,974.89
  6. Step 6: Final answer
    x = 12,015.56

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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.