Home / 14,723.61-20,291.27-10,940.78

Finding the Fourth Proportional to 14,723.61, 20,291.27 and 10,940.78

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Solution

The fourth proportional to 14,723.61, 20,291.27 and 10,940.78 is: 15,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.61 : 20,291.27 = 10,940.78 : x
  2. Step 2: Convert to fraction form
    14,723.61/20,291.27 = 10,940.78/x
  3. Step 3: Cross multiply
    14,723.61x = 20,291.27 × 10,940.78
  4. Step 4: Simplify right side
    14,723.61x = 222,002,320.99
  5. Step 5: Solve for x
    x = 222,002,320.99/14,723.61
  6. Step 6: Final answer
    x = 15,077.98

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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.