Home / 29,279.77-40,405.19-16,532.75

Finding the Fourth Proportional to 29,279.77, 40,405.19 and 16,532.75

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Solution

The fourth proportional to 29,279.77, 40,405.19 and 16,532.75 is: 22,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.77 : 40,405.19 = 16,532.75 : x
  2. Step 2: Convert to fraction form
    29,279.77/40,405.19 = 16,532.75/x
  3. Step 3: Cross multiply
    29,279.77x = 40,405.19 × 16,532.75
  4. Step 4: Simplify right side
    29,279.77x = 668,008,923.32
  5. Step 5: Solve for x
    x = 668,008,923.32/29,279.77
  6. Step 6: Final answer
    x = 22,814.69

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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.