Home / 15,739.88-23,613.91-6,972.71

Finding the Fourth Proportional to 15,739.88, 23,613.91 and 6,972.71

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Solution

The fourth proportional to 15,739.88, 23,613.91 and 6,972.71 is: 10,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.88 : 23,613.91 = 6,972.71 : x
  2. Step 2: Convert to fraction form
    15,739.88/23,613.91 = 6,972.71/x
  3. Step 3: Cross multiply
    15,739.88x = 23,613.91 × 6,972.71
  4. Step 4: Simplify right side
    15,739.88x = 164,652,911.53
  5. Step 5: Solve for x
    x = 164,652,911.53/15,739.88
  6. Step 6: Final answer
    x = 10,460.87

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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.