Home / 23,650.80-32,637.12-13,040.40

Finding the Fourth Proportional to 23,650.80, 32,637.12 and 13,040.40

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Solution

The fourth proportional to 23,650.80, 32,637.12 and 13,040.40 is: 17,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,650.80 : 32,637.12 = 13,040.40 : x
  2. Step 2: Convert to fraction form
    23,650.80/32,637.12 = 13,040.40/x
  3. Step 3: Cross multiply
    23,650.80x = 32,637.12 × 13,040.40
  4. Step 4: Simplify right side
    23,650.80x = 425,601,099.65
  5. Step 5: Solve for x
    x = 425,601,099.65/23,650.80
  6. Step 6: Final answer
    x = 17,995.21

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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.