Home / 15,990.12-24,005.93-12,294.94

Finding the Fourth Proportional to 15,990.12, 24,005.93 and 12,294.94

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Solution

The fourth proportional to 15,990.12, 24,005.93 and 12,294.94 is: 18,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.12 : 24,005.93 = 12,294.94 : x
  2. Step 2: Convert to fraction form
    15,990.12/24,005.93 = 12,294.94/x
  3. Step 3: Cross multiply
    15,990.12x = 24,005.93 × 12,294.94
  4. Step 4: Simplify right side
    15,990.12x = 295,151,348.96
  5. Step 5: Solve for x
    x = 295,151,348.96/15,990.12
  6. Step 6: Final answer
    x = 18,458.36

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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.