Home / 15,222.16-22,840.62-13,251.52

Finding the Fourth Proportional to 15,222.16, 22,840.62 and 13,251.52

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Solution

The fourth proportional to 15,222.16, 22,840.62 and 13,251.52 is: 19,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.16 : 22,840.62 = 13,251.52 : x
  2. Step 2: Convert to fraction form
    15,222.16/22,840.62 = 13,251.52/x
  3. Step 3: Cross multiply
    15,222.16x = 22,840.62 × 13,251.52
  4. Step 4: Simplify right side
    15,222.16x = 302,672,932.74
  5. Step 5: Solve for x
    x = 302,672,932.74/15,222.16
  6. Step 6: Final answer
    x = 19,883.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.