Home / 18,222.72-25,146.90-10,264.47

Finding the Fourth Proportional to 18,222.72, 25,146.90 and 10,264.47

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Solution

The fourth proportional to 18,222.72, 25,146.90 and 10,264.47 is: 14,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.72 : 25,146.90 = 10,264.47 : x
  2. Step 2: Convert to fraction form
    18,222.72/25,146.90 = 10,264.47/x
  3. Step 3: Cross multiply
    18,222.72x = 25,146.90 × 10,264.47
  4. Step 4: Simplify right side
    18,222.72x = 258,119,600.64
  5. Step 5: Solve for x
    x = 258,119,600.64/18,222.72
  6. Step 6: Final answer
    x = 14,164.71

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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.