Home / 23,925.20-33,017.16-13,315.28

Finding the Fourth Proportional to 23,925.20, 33,017.16 and 13,315.28

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Solution

The fourth proportional to 23,925.20, 33,017.16 and 13,315.28 is: 18,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,925.20 : 33,017.16 = 13,315.28 : x
  2. Step 2: Convert to fraction form
    23,925.20/33,017.16 = 13,315.28/x
  3. Step 3: Cross multiply
    23,925.20x = 33,017.16 × 13,315.28
  4. Step 4: Simplify right side
    23,925.20x = 439,632,730.20
  5. Step 5: Solve for x
    x = 439,632,730.20/23,925.20
  6. Step 6: Final answer
    x = 18,375.30

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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.