Home / 27,222.08-40,836.96-9,686.72

Finding the Fourth Proportional to 27,222.08, 40,836.96 and 9,686.72

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Solution

The fourth proportional to 27,222.08, 40,836.96 and 9,686.72 is: 14,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.08 : 40,836.96 = 9,686.72 : x
  2. Step 2: Convert to fraction form
    27,222.08/40,836.96 = 9,686.72/x
  3. Step 3: Cross multiply
    27,222.08x = 40,836.96 × 9,686.72
  4. Step 4: Simplify right side
    27,222.08x = 395,576,197.17
  5. Step 5: Solve for x
    x = 395,576,197.17/27,222.08
  6. Step 6: Final answer
    x = 14,531.45

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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.