Home / 15,949.16-22,010.70-8,875.75

Finding the Fourth Proportional to 15,949.16, 22,010.70 and 8,875.75

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Solution

The fourth proportional to 15,949.16, 22,010.70 and 8,875.75 is: 12,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.16 : 22,010.70 = 8,875.75 : x
  2. Step 2: Convert to fraction form
    15,949.16/22,010.70 = 8,875.75/x
  3. Step 3: Cross multiply
    15,949.16x = 22,010.70 × 8,875.75
  4. Step 4: Simplify right side
    15,949.16x = 195,361,360.47
  5. Step 5: Solve for x
    x = 195,361,360.47/15,949.16
  6. Step 6: Final answer
    x = 12,249.01

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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.