Home / 14,799.92-20,423.72-8,512.32

Finding the Fourth Proportional to 14,799.92, 20,423.72 and 8,512.32

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Solution

The fourth proportional to 14,799.92, 20,423.72 and 8,512.32 is: 11,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.92 : 20,423.72 = 8,512.32 : x
  2. Step 2: Convert to fraction form
    14,799.92/20,423.72 = 8,512.32/x
  3. Step 3: Cross multiply
    14,799.92x = 20,423.72 × 8,512.32
  4. Step 4: Simplify right side
    14,799.92x = 173,853,240.23
  5. Step 5: Solve for x
    x = 173,853,240.23/14,799.92
  6. Step 6: Final answer
    x = 11,746.90

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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.