Home / 22,717.22-31,347.69-13,284.14

Finding the Fourth Proportional to 22,717.22, 31,347.69 and 13,284.14

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Solution

The fourth proportional to 22,717.22, 31,347.69 and 13,284.14 is: 18,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.22 : 31,347.69 = 13,284.14 : x
  2. Step 2: Convert to fraction form
    22,717.22/31,347.69 = 13,284.14/x
  3. Step 3: Cross multiply
    22,717.22x = 31,347.69 × 13,284.14
  4. Step 4: Simplify right side
    22,717.22x = 416,427,102.64
  5. Step 5: Solve for x
    x = 416,427,102.64/22,717.22
  6. Step 6: Final answer
    x = 18,330.90

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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.