Home / 23,815.80-32,865.75-13,205.16

Finding the Fourth Proportional to 23,815.80, 32,865.75 and 13,205.16

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Solution

The fourth proportional to 23,815.80, 32,865.75 and 13,205.16 is: 18,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.80 : 32,865.75 = 13,205.16 : x
  2. Step 2: Convert to fraction form
    23,815.80/32,865.75 = 13,205.16/x
  3. Step 3: Cross multiply
    23,815.80x = 32,865.75 × 13,205.16
  4. Step 4: Simplify right side
    23,815.80x = 433,997,487.27
  5. Step 5: Solve for x
    x = 433,997,487.27/23,815.80
  6. Step 6: Final answer
    x = 18,223.09

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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.