Home / 14,806.23-20,432.28-8,345.82

Finding the Fourth Proportional to 14,806.23, 20,432.28 and 8,345.82

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Solution

The fourth proportional to 14,806.23, 20,432.28 and 8,345.82 is: 11,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.23 : 20,432.28 = 8,345.82 : x
  2. Step 2: Convert to fraction form
    14,806.23/20,432.28 = 8,345.82/x
  3. Step 3: Cross multiply
    14,806.23x = 20,432.28 × 8,345.82
  4. Step 4: Simplify right side
    14,806.23x = 170,524,182.15
  5. Step 5: Solve for x
    x = 170,524,182.15/14,806.23
  6. Step 6: Final answer
    x = 11,517.05

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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.