Home / 22,633.85-31,253.36-14,689.64

Finding the Fourth Proportional to 22,633.85, 31,253.36 and 14,689.64

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Solution

The fourth proportional to 22,633.85, 31,253.36 and 14,689.64 is: 20,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.85 : 31,253.36 = 14,689.64 : x
  2. Step 2: Convert to fraction form
    22,633.85/31,253.36 = 14,689.64/x
  3. Step 3: Cross multiply
    22,633.85x = 31,253.36 × 14,689.64
  4. Step 4: Simplify right side
    22,633.85x = 459,100,377.48
  5. Step 5: Solve for x
    x = 459,100,377.48/22,633.85
  6. Step 6: Final answer
    x = 20,283.80

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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.