Home / 14,859.78-22,289.45-3,615.23

Finding the Fourth Proportional to 14,859.78, 22,289.45 and 3,615.23

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Solution

The fourth proportional to 14,859.78, 22,289.45 and 3,615.23 is: 5,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.78 : 22,289.45 = 3,615.23 : x
  2. Step 2: Convert to fraction form
    14,859.78/22,289.45 = 3,615.23/x
  3. Step 3: Cross multiply
    14,859.78x = 22,289.45 × 3,615.23
  4. Step 4: Simplify right side
    14,859.78x = 80,581,358.80
  5. Step 5: Solve for x
    x = 80,581,358.80/14,859.78
  6. Step 6: Final answer
    x = 5,422.78

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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.