Home / 23,815.40-32,850.36-15,328.58

Finding the Fourth Proportional to 23,815.40, 32,850.36 and 15,328.58

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Solution

The fourth proportional to 23,815.40, 32,850.36 and 15,328.58 is: 21,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.40 : 32,850.36 = 15,328.58 : x
  2. Step 2: Convert to fraction form
    23,815.40/32,850.36 = 15,328.58/x
  3. Step 3: Cross multiply
    23,815.40x = 32,850.36 × 15,328.58
  4. Step 4: Simplify right side
    23,815.40x = 503,549,207.04
  5. Step 5: Solve for x
    x = 503,549,207.04/23,815.40
  6. Step 6: Final answer
    x = 21,143.85

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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.