Home / 15,900.54-23,853.44-5,371.55

Finding the Fourth Proportional to 15,900.54, 23,853.44 and 5,371.55

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Solution

The fourth proportional to 15,900.54, 23,853.44 and 5,371.55 is: 8,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.54 : 23,853.44 = 5,371.55 : x
  2. Step 2: Convert to fraction form
    15,900.54/23,853.44 = 5,371.55/x
  3. Step 3: Cross multiply
    15,900.54x = 23,853.44 × 5,371.55
  4. Step 4: Simplify right side
    15,900.54x = 128,129,945.63
  5. Step 5: Solve for x
    x = 128,129,945.63/15,900.54
  6. Step 6: Final answer
    x = 8,058.21

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1.5x scale

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.