Home / 34,646.40-47,812.07-18,730.85

Finding the Fourth Proportional to 34,646.40, 47,812.07 and 18,730.85

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Solution

The fourth proportional to 34,646.40, 47,812.07 and 18,730.85 is: 25,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,646.40 : 47,812.07 = 18,730.85 : x
  2. Step 2: Convert to fraction form
    34,646.40/47,812.07 = 18,730.85/x
  3. Step 3: Cross multiply
    34,646.40x = 47,812.07 × 18,730.85
  4. Step 4: Simplify right side
    34,646.40x = 895,560,519.13
  5. Step 5: Solve for x
    x = 895,560,519.13/34,646.40
  6. Step 6: Final answer
    x = 25,848.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.