Home / 34,619.69-47,775.15-18,704.14

Finding the Fourth Proportional to 34,619.69, 47,775.15 and 18,704.14

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Solution

The fourth proportional to 34,619.69, 47,775.15 and 18,704.14 is: 25,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.69 : 47,775.15 = 18,704.14 : x
  2. Step 2: Convert to fraction form
    34,619.69/47,775.15 = 18,704.14/x
  3. Step 3: Cross multiply
    34,619.69x = 47,775.15 × 18,704.14
  4. Step 4: Simplify right side
    34,619.69x = 893,592,974.68
  5. Step 5: Solve for x
    x = 893,592,974.68/34,619.69
  6. Step 6: Final answer
    x = 25,811.70

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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.