Home / 15,583.40-23,370.49-5,586.59

Finding the Fourth Proportional to 15,583.40, 23,370.49 and 5,586.59

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Solution

The fourth proportional to 15,583.40, 23,370.49 and 5,586.59 is: 8,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.40 : 23,370.49 = 5,586.59 : x
  2. Step 2: Convert to fraction form
    15,583.40/23,370.49 = 5,586.59/x
  3. Step 3: Cross multiply
    15,583.40x = 23,370.49 × 5,586.59
  4. Step 4: Simplify right side
    15,583.40x = 130,561,305.41
  5. Step 5: Solve for x
    x = 130,561,305.41/15,583.40
  6. Step 6: Final answer
    x = 8,378.23

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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.