Home / 15,490.42-23,235.75-3,803.74

Finding the Fourth Proportional to 15,490.42, 23,235.75 and 3,803.74

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Solution

The fourth proportional to 15,490.42, 23,235.75 and 3,803.74 is: 5,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.42 : 23,235.75 = 3,803.74 : x
  2. Step 2: Convert to fraction form
    15,490.42/23,235.75 = 3,803.74/x
  3. Step 3: Cross multiply
    15,490.42x = 23,235.75 × 3,803.74
  4. Step 4: Simplify right side
    15,490.42x = 88,382,751.71
  5. Step 5: Solve for x
    x = 88,382,751.71/15,490.42
  6. Step 6: Final answer
    x = 5,705.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.