Home / 14,805.61-22,217.49-7,790.66

Finding the Fourth Proportional to 14,805.61, 22,217.49 and 7,790.66

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Solution

The fourth proportional to 14,805.61, 22,217.49 and 7,790.66 is: 11,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.61 : 22,217.49 = 7,790.66 : x
  2. Step 2: Convert to fraction form
    14,805.61/22,217.49 = 7,790.66/x
  3. Step 3: Cross multiply
    14,805.61x = 22,217.49 × 7,790.66
  4. Step 4: Simplify right side
    14,805.61x = 173,088,820.38
  5. Step 5: Solve for x
    x = 173,088,820.38/14,805.61
  6. Step 6: Final answer
    x = 11,690.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.