Home / 17,697.90-24,360.51-15,177.57

Finding the Fourth Proportional to 17,697.90, 24,360.51 and 15,177.57

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Solution

The fourth proportional to 17,697.90, 24,360.51 and 15,177.57 is: 20,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.90 : 24,360.51 = 15,177.57 : x
  2. Step 2: Convert to fraction form
    17,697.90/24,360.51 = 15,177.57/x
  3. Step 3: Cross multiply
    17,697.90x = 24,360.51 × 15,177.57
  4. Step 4: Simplify right side
    17,697.90x = 369,733,345.76
  5. Step 5: Solve for x
    x = 369,733,345.76/17,697.90
  6. Step 6: Final answer
    x = 20,891.37

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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.