Home / 14,250.60-21,343.77-6,860.61

Finding the Fourth Proportional to 14,250.60, 21,343.77 and 6,860.61

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Solution

The fourth proportional to 14,250.60, 21,343.77 and 6,860.61 is: 10,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.60 : 21,343.77 = 6,860.61 : x
  2. Step 2: Convert to fraction form
    14,250.60/21,343.77 = 6,860.61/x
  3. Step 3: Cross multiply
    14,250.60x = 21,343.77 × 6,860.61
  4. Step 4: Simplify right side
    14,250.60x = 146,431,281.90
  5. Step 5: Solve for x
    x = 146,431,281.90/14,250.60
  6. Step 6: Final answer
    x = 10,275.45

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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.