Home / 25,217.71-34,790.00-15,006.70

Finding the Fourth Proportional to 25,217.71, 34,790.00 and 15,006.70

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Solution

The fourth proportional to 25,217.71, 34,790.00 and 15,006.70 is: 20,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.71 : 34,790.00 = 15,006.70 : x
  2. Step 2: Convert to fraction form
    25,217.71/34,790.00 = 15,006.70/x
  3. Step 3: Cross multiply
    25,217.71x = 34,790.00 × 15,006.70
  4. Step 4: Simplify right side
    25,217.71x = 522,082,930.99
  5. Step 5: Solve for x
    x = 522,082,930.99/25,217.71
  6. Step 6: Final answer
    x = 20,703.03

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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.