Home / 15,758.24-23,636.43-6,990.21

Finding the Fourth Proportional to 15,758.24, 23,636.43 and 6,990.21

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Solution

The fourth proportional to 15,758.24, 23,636.43 and 6,990.21 is: 10,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.24 : 23,636.43 = 6,990.21 : x
  2. Step 2: Convert to fraction form
    15,758.24/23,636.43 = 6,990.21/x
  3. Step 3: Cross multiply
    15,758.24x = 23,636.43 × 6,990.21
  4. Step 4: Simplify right side
    15,758.24x = 165,223,609.35
  5. Step 5: Solve for x
    x = 165,223,609.35/15,758.24
  6. Step 6: Final answer
    x = 10,484.91

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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.