Home / 15,853.53-23,780.30-5,465.28

Finding the Fourth Proportional to 15,853.53, 23,780.30 and 5,465.28

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Solution

The fourth proportional to 15,853.53, 23,780.30 and 5,465.28 is: 8,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.53 : 23,780.30 = 5,465.28 : x
  2. Step 2: Convert to fraction form
    15,853.53/23,780.30 = 5,465.28/x
  3. Step 3: Cross multiply
    15,853.53x = 23,780.30 × 5,465.28
  4. Step 4: Simplify right side
    15,853.53x = 129,965,970.66
  5. Step 5: Solve for x
    x = 129,965,970.66/15,853.53
  6. Step 6: Final answer
    x = 8,197.92

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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.