Home / 22,799.18-31,464.46-12,729.60

Finding the Fourth Proportional to 22,799.18, 31,464.46 and 12,729.60

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Solution

The fourth proportional to 22,799.18, 31,464.46 and 12,729.60 is: 17,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,799.18 : 31,464.46 = 12,729.60 : x
  2. Step 2: Convert to fraction form
    22,799.18/31,464.46 = 12,729.60/x
  3. Step 3: Cross multiply
    22,799.18x = 31,464.46 × 12,729.60
  4. Step 4: Simplify right side
    22,799.18x = 400,529,990.02
  5. Step 5: Solve for x
    x = 400,529,990.02/22,799.18
  6. Step 6: Final answer
    x = 17,567.74

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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.