Home / 14,306.02-19,733.12-8,991.61

Finding the Fourth Proportional to 14,306.02, 19,733.12 and 8,991.61

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Solution

The fourth proportional to 14,306.02, 19,733.12 and 8,991.61 is: 12,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.02 : 19,733.12 = 8,991.61 : x
  2. Step 2: Convert to fraction form
    14,306.02/19,733.12 = 8,991.61/x
  3. Step 3: Cross multiply
    14,306.02x = 19,733.12 × 8,991.61
  4. Step 4: Simplify right side
    14,306.02x = 177,432,458.55
  5. Step 5: Solve for x
    x = 177,432,458.55/14,306.02
  6. Step 6: Final answer
    x = 12,402.65

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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.