Home / 15,757.32-23,633.54-6,990.69

Finding the Fourth Proportional to 15,757.32, 23,633.54 and 6,990.69

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Solution

The fourth proportional to 15,757.32, 23,633.54 and 6,990.69 is: 10,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.32 : 23,633.54 = 6,990.69 : x
  2. Step 2: Convert to fraction form
    15,757.32/23,633.54 = 6,990.69/x
  3. Step 3: Cross multiply
    15,757.32x = 23,633.54 × 6,990.69
  4. Step 4: Simplify right side
    15,757.32x = 165,214,751.74
  5. Step 5: Solve for x
    x = 165,214,751.74/15,757.32
  6. Step 6: Final answer
    x = 10,484.95

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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.