Home / 22,686.66-31,296.69-14,731.38

Finding the Fourth Proportional to 22,686.66, 31,296.69 and 14,731.38

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Solution

The fourth proportional to 22,686.66, 31,296.69 and 14,731.38 is: 20,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.66 : 31,296.69 = 14,731.38 : x
  2. Step 2: Convert to fraction form
    22,686.66/31,296.69 = 14,731.38/x
  3. Step 3: Cross multiply
    22,686.66x = 31,296.69 × 14,731.38
  4. Step 4: Simplify right side
    22,686.66x = 461,043,433.13
  5. Step 5: Solve for x
    x = 461,043,433.13/22,686.66
  6. Step 6: Final answer
    x = 20,322.23

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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.