Home / 25,218.68-37,722.65-17,721.72

Finding the Fourth Proportional to 25,218.68, 37,722.65 and 17,721.72

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Solution

The fourth proportional to 25,218.68, 37,722.65 and 17,721.72 is: 26,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.68 : 37,722.65 = 17,721.72 : x
  2. Step 2: Convert to fraction form
    25,218.68/37,722.65 = 17,721.72/x
  3. Step 3: Cross multiply
    25,218.68x = 37,722.65 × 17,721.72
  4. Step 4: Simplify right side
    25,218.68x = 668,510,152.35
  5. Step 5: Solve for x
    x = 668,510,152.35/25,218.68
  6. Step 6: Final answer
    x = 26,508.54

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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.