Home / 13,222.08-18,246.36-7,253.71

Finding the Fourth Proportional to 13,222.08, 18,246.36 and 7,253.71

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Solution

The fourth proportional to 13,222.08, 18,246.36 and 7,253.71 is: 10,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.08 : 18,246.36 = 7,253.71 : x
  2. Step 2: Convert to fraction form
    13,222.08/18,246.36 = 7,253.71/x
  3. Step 3: Cross multiply
    13,222.08x = 18,246.36 × 7,253.71
  4. Step 4: Simplify right side
    13,222.08x = 132,353,758.38
  5. Step 5: Solve for x
    x = 132,353,758.38/13,222.08
  6. Step 6: Final answer
    x = 10,010.06

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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.