Home / 23,479.42-32,400.10-12,867.00

Finding the Fourth Proportional to 23,479.42, 32,400.10 and 12,867.00

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Solution

The fourth proportional to 23,479.42, 32,400.10 and 12,867.00 is: 17,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.42 : 32,400.10 = 12,867.00 : x
  2. Step 2: Convert to fraction form
    23,479.42/32,400.10 = 12,867.00/x
  3. Step 3: Cross multiply
    23,479.42x = 32,400.10 × 12,867.00
  4. Step 4: Simplify right side
    23,479.42x = 416,892,163.53
  5. Step 5: Solve for x
    x = 416,892,163.53/23,479.42
  6. Step 6: Final answer
    x = 17,755.64

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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.