Home / 22,242.75-30,695.12-12,552.29

Finding the Fourth Proportional to 22,242.75, 30,695.12 and 12,552.29

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Solution

The fourth proportional to 22,242.75, 30,695.12 and 12,552.29 is: 17,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.75 : 30,695.12 = 12,552.29 : x
  2. Step 2: Convert to fraction form
    22,242.75/30,695.12 = 12,552.29/x
  3. Step 3: Cross multiply
    22,242.75x = 30,695.12 × 12,552.29
  4. Step 4: Simplify right side
    22,242.75x = 385,293,831.59
  5. Step 5: Solve for x
    x = 385,293,831.59/22,242.75
  6. Step 6: Final answer
    x = 17,322.22

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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.