Home / 14,820.42-20,454.15-9,530.61

Finding the Fourth Proportional to 14,820.42, 20,454.15 and 9,530.61

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Solution

The fourth proportional to 14,820.42, 20,454.15 and 9,530.61 is: 13,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.42 : 20,454.15 = 9,530.61 : x
  2. Step 2: Convert to fraction form
    14,820.42/20,454.15 = 9,530.61/x
  3. Step 3: Cross multiply
    14,820.42x = 20,454.15 × 9,530.61
  4. Step 4: Simplify right side
    14,820.42x = 194,940,520.21
  5. Step 5: Solve for x
    x = 194,940,520.21/14,820.42
  6. Step 6: Final answer
    x = 13,153.51

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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.