Home / 23,815.90-32,864.34-13,205.14

Finding the Fourth Proportional to 23,815.90, 32,864.34 and 13,205.14

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Solution

The fourth proportional to 23,815.90, 32,864.34 and 13,205.14 is: 18,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,815.90 : 32,864.34 = 13,205.14 : x
  2. Step 2: Convert to fraction form
    23,815.90/32,864.34 = 13,205.14/x
  3. Step 3: Cross multiply
    23,815.90x = 32,864.34 × 13,205.14
  4. Step 4: Simplify right side
    23,815.90x = 433,978,210.71
  5. Step 5: Solve for x
    x = 433,978,210.71/23,815.90
  6. Step 6: Final answer
    x = 18,222.20

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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.