Home / 22,186.75-30,617.72-15,125.53

Finding the Fourth Proportional to 22,186.75, 30,617.72 and 15,125.53

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Solution

The fourth proportional to 22,186.75, 30,617.72 and 15,125.53 is: 20,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.75 : 30,617.72 = 15,125.53 : x
  2. Step 2: Convert to fraction form
    22,186.75/30,617.72 = 15,125.53/x
  3. Step 3: Cross multiply
    22,186.75x = 30,617.72 × 15,125.53
  4. Step 4: Simplify right side
    22,186.75x = 463,109,242.39
  5. Step 5: Solve for x
    x = 463,109,242.39/22,186.75
  6. Step 6: Final answer
    x = 20,873.23

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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.