Home / 23,378.10-32,261.26-12,767.78

Finding the Fourth Proportional to 23,378.10, 32,261.26 and 12,767.78

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Solution

The fourth proportional to 23,378.10, 32,261.26 and 12,767.78 is: 17,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.10 : 32,261.26 = 12,767.78 : x
  2. Step 2: Convert to fraction form
    23,378.10/32,261.26 = 12,767.78/x
  3. Step 3: Cross multiply
    23,378.10x = 32,261.26 × 12,767.78
  4. Step 4: Simplify right side
    23,378.10x = 411,904,670.20
  5. Step 5: Solve for x
    x = 411,904,670.20/23,378.10
  6. Step 6: Final answer
    x = 17,619.25

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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.