Home / 29,376.23-40,524.18-18,754.70

Finding the Fourth Proportional to 29,376.23, 40,524.18 and 18,754.70

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Solution

The fourth proportional to 29,376.23, 40,524.18 and 18,754.70 is: 25,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.23 : 40,524.18 = 18,754.70 : x
  2. Step 2: Convert to fraction form
    29,376.23/40,524.18 = 18,754.70/x
  3. Step 3: Cross multiply
    29,376.23x = 40,524.18 × 18,754.70
  4. Step 4: Simplify right side
    29,376.23x = 760,018,838.65
  5. Step 5: Solve for x
    x = 760,018,838.65/29,376.23
  6. Step 6: Final answer
    x = 25,871.90

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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.