Home / 14,920.40-20,581.08-10,734.32

Finding the Fourth Proportional to 14,920.40, 20,581.08 and 10,734.32

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Solution

The fourth proportional to 14,920.40, 20,581.08 and 10,734.32 is: 14,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.40 : 20,581.08 = 10,734.32 : x
  2. Step 2: Convert to fraction form
    14,920.40/20,581.08 = 10,734.32/x
  3. Step 3: Cross multiply
    14,920.40x = 20,581.08 × 10,734.32
  4. Step 4: Simplify right side
    14,920.40x = 220,923,898.67
  5. Step 5: Solve for x
    x = 220,923,898.67/14,920.40
  6. Step 6: Final answer
    x = 14,806.83

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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.