Home / 23,479.51-32,401.54-12,869.12

Finding the Fourth Proportional to 23,479.51, 32,401.54 and 12,869.12

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Solution

The fourth proportional to 23,479.51, 32,401.54 and 12,869.12 is: 17,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.51 : 32,401.54 = 12,869.12 : x
  2. Step 2: Convert to fraction form
    23,479.51/32,401.54 = 12,869.12/x
  3. Step 3: Cross multiply
    23,479.51x = 32,401.54 × 12,869.12
  4. Step 4: Simplify right side
    23,479.51x = 416,979,306.44
  5. Step 5: Solve for x
    x = 416,979,306.44/23,479.51
  6. Step 6: Final answer
    x = 17,759.28

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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.