Home / 22,610.48-31,202.40-12,538.66

Finding the Fourth Proportional to 22,610.48, 31,202.40 and 12,538.66

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Solution

The fourth proportional to 22,610.48, 31,202.40 and 12,538.66 is: 17,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.48 : 31,202.40 = 12,538.66 : x
  2. Step 2: Convert to fraction form
    22,610.48/31,202.40 = 12,538.66/x
  3. Step 3: Cross multiply
    22,610.48x = 31,202.40 × 12,538.66
  4. Step 4: Simplify right side
    22,610.48x = 391,236,284.78
  5. Step 5: Solve for x
    x = 391,236,284.78/22,610.48
  6. Step 6: Final answer
    x = 17,303.32

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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.