Home / 14,845.15-20,465.18-9,176.69

Finding the Fourth Proportional to 14,845.15, 20,465.18 and 9,176.69

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Solution

The fourth proportional to 14,845.15, 20,465.18 and 9,176.69 is: 12,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.15 : 20,465.18 = 9,176.69 : x
  2. Step 2: Convert to fraction form
    14,845.15/20,465.18 = 9,176.69/x
  3. Step 3: Cross multiply
    14,845.15x = 20,465.18 × 9,176.69
  4. Step 4: Simplify right side
    14,845.15x = 187,802,678.16
  5. Step 5: Solve for x
    x = 187,802,678.16/14,845.15
  6. Step 6: Final answer
    x = 12,650.78

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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.