Home / 23,815.72-32,864.84-13,205.13

Finding the Fourth Proportional to 23,815.72, 32,864.84 and 13,205.13

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Solution

The fourth proportional to 23,815.72, 32,864.84 and 13,205.13 is: 18,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.72 : 32,864.84 = 13,205.13 : x
  2. Step 2: Convert to fraction form
    23,815.72/32,864.84 = 13,205.13/x
  3. Step 3: Cross multiply
    23,815.72x = 32,864.84 × 13,205.13
  4. Step 4: Simplify right side
    23,815.72x = 433,984,344.88
  5. Step 5: Solve for x
    x = 433,984,344.88/23,815.72
  6. Step 6: Final answer
    x = 18,222.60

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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.