Home / 15,679.59-23,521.68-7,360.45

Finding the Fourth Proportional to 15,679.59, 23,521.68 and 7,360.45

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Solution

The fourth proportional to 15,679.59, 23,521.68 and 7,360.45 is: 11,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.59 : 23,521.68 = 7,360.45 : x
  2. Step 2: Convert to fraction form
    15,679.59/23,521.68 = 7,360.45/x
  3. Step 3: Cross multiply
    15,679.59x = 23,521.68 × 7,360.45
  4. Step 4: Simplify right side
    15,679.59x = 173,130,149.56
  5. Step 5: Solve for x
    x = 173,130,149.56/15,679.59
  6. Step 6: Final answer
    x = 11,041.75

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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.