Home / 20,614.56-28,429.32-17,434.52

Finding the Fourth Proportional to 20,614.56, 28,429.32 and 17,434.52

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Solution

The fourth proportional to 20,614.56, 28,429.32 and 17,434.52 is: 24,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.56 : 28,429.32 = 17,434.52 : x
  2. Step 2: Convert to fraction form
    20,614.56/28,429.32 = 17,434.52/x
  3. Step 3: Cross multiply
    20,614.56x = 28,429.32 × 17,434.52
  4. Step 4: Simplify right side
    20,614.56x = 495,651,548.13
  5. Step 5: Solve for x
    x = 495,651,548.13/20,614.56
  6. Step 6: Final answer
    x = 24,043.76

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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.