Home / 23,482.55-32,407.43-12,872.21

Finding the Fourth Proportional to 23,482.55, 32,407.43 and 12,872.21

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Solution

The fourth proportional to 23,482.55, 32,407.43 and 12,872.21 is: 17,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,482.55 : 32,407.43 = 12,872.21 : x
  2. Step 2: Convert to fraction form
    23,482.55/32,407.43 = 12,872.21/x
  3. Step 3: Cross multiply
    23,482.55x = 32,407.43 × 12,872.21
  4. Step 4: Simplify right side
    23,482.55x = 417,155,180.16
  5. Step 5: Solve for x
    x = 417,155,180.16/23,482.55
  6. Step 6: Final answer
    x = 17,764.48

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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.