Home / 22,610.16-31,202.10-12,538.77

Finding the Fourth Proportional to 22,610.16, 31,202.10 and 12,538.77

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Solution

The fourth proportional to 22,610.16, 31,202.10 and 12,538.77 is: 17,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.16 : 31,202.10 = 12,538.77 : x
  2. Step 2: Convert to fraction form
    22,610.16/31,202.10 = 12,538.77/x
  3. Step 3: Cross multiply
    22,610.16x = 31,202.10 × 12,538.77
  4. Step 4: Simplify right side
    22,610.16x = 391,235,955.42
  5. Step 5: Solve for x
    x = 391,235,955.42/22,610.16
  6. Step 6: Final answer
    x = 17,303.55

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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.