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Finding the Fourth Proportional to 15,995.92, 23,948.64 and 8,482.36

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Solution

The fourth proportional to 15,995.92, 23,948.64 and 8,482.36 is: 12,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.92 : 23,948.64 = 8,482.36 : x
  2. Step 2: Convert to fraction form
    15,995.92/23,948.64 = 8,482.36/x
  3. Step 3: Cross multiply
    15,995.92x = 23,948.64 × 8,482.36
  4. Step 4: Simplify right side
    15,995.92x = 203,140,985.99
  5. Step 5: Solve for x
    x = 203,140,985.99/15,995.92
  6. Step 6: Final answer
    x = 12,699.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.