Home / 27,753.45-38,296.80-16,423.53

Finding the Fourth Proportional to 27,753.45, 38,296.80 and 16,423.53

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Solution

The fourth proportional to 27,753.45, 38,296.80 and 16,423.53 is: 22,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.45 : 38,296.80 = 16,423.53 : x
  2. Step 2: Convert to fraction form
    27,753.45/38,296.80 = 16,423.53/x
  3. Step 3: Cross multiply
    27,753.45x = 38,296.80 × 16,423.53
  4. Step 4: Simplify right side
    27,753.45x = 628,968,643.70
  5. Step 5: Solve for x
    x = 628,968,643.70/27,753.45
  6. Step 6: Final answer
    x = 22,662.72

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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.