Home / 29,384.74-40,535.90-18,763.20

Finding the Fourth Proportional to 29,384.74, 40,535.90 and 18,763.20

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Solution

The fourth proportional to 29,384.74, 40,535.90 and 18,763.20 is: 25,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.74 : 40,535.90 = 18,763.20 : x
  2. Step 2: Convert to fraction form
    29,384.74/40,535.90 = 18,763.20/x
  3. Step 3: Cross multiply
    29,384.74x = 40,535.90 × 18,763.20
  4. Step 4: Simplify right side
    29,384.74x = 760,583,198.88
  5. Step 5: Solve for x
    x = 760,583,198.88/29,384.74
  6. Step 6: Final answer
    x = 25,883.61

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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.