Home / 23,425.65-32,328.17-12,815.28

Finding the Fourth Proportional to 23,425.65, 32,328.17 and 12,815.28

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Solution

The fourth proportional to 23,425.65, 32,328.17 and 12,815.28 is: 17,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.65 : 32,328.17 = 12,815.28 : x
  2. Step 2: Convert to fraction form
    23,425.65/32,328.17 = 12,815.28/x
  3. Step 3: Cross multiply
    23,425.65x = 32,328.17 × 12,815.28
  4. Step 4: Simplify right side
    23,425.65x = 414,294,570.46
  5. Step 5: Solve for x
    x = 414,294,570.46/23,425.65
  6. Step 6: Final answer
    x = 17,685.51

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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.