Home / 14,734.85-20,340.72-9,701.71

Finding the Fourth Proportional to 14,734.85, 20,340.72 and 9,701.71

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Solution

The fourth proportional to 14,734.85, 20,340.72 and 9,701.71 is: 13,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.85 : 20,340.72 = 9,701.71 : x
  2. Step 2: Convert to fraction form
    14,734.85/20,340.72 = 9,701.71/x
  3. Step 3: Cross multiply
    14,734.85x = 20,340.72 × 9,701.71
  4. Step 4: Simplify right side
    14,734.85x = 197,339,715.78
  5. Step 5: Solve for x
    x = 197,339,715.78/14,734.85
  6. Step 6: Final answer
    x = 13,392.72

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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.