Home / 23,820.45-32,872.21-13,210.08

Finding the Fourth Proportional to 23,820.45, 32,872.21 and 13,210.08

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Solution

The fourth proportional to 23,820.45, 32,872.21 and 13,210.08 is: 18,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.45 : 32,872.21 = 13,210.08 : x
  2. Step 2: Convert to fraction form
    23,820.45/32,872.21 = 13,210.08/x
  3. Step 3: Cross multiply
    23,820.45x = 32,872.21 × 13,210.08
  4. Step 4: Simplify right side
    23,820.45x = 434,244,663.66
  5. Step 5: Solve for x
    x = 434,244,663.66/23,820.45
  6. Step 6: Final answer
    x = 18,229.91

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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.