Home / 15,623.88-23,438.52-6,859.68

Finding the Fourth Proportional to 15,623.88, 23,438.52 and 6,859.68

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Solution

The fourth proportional to 15,623.88, 23,438.52 and 6,859.68 is: 10,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.88 : 23,438.52 = 6,859.68 : x
  2. Step 2: Convert to fraction form
    15,623.88/23,438.52 = 6,859.68/x
  3. Step 3: Cross multiply
    15,623.88x = 23,438.52 × 6,859.68
  4. Step 4: Simplify right side
    15,623.88x = 160,780,746.87
  5. Step 5: Solve for x
    x = 160,780,746.87/15,623.88
  6. Step 6: Final answer
    x = 10,290.71

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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.