Home / 17,927.75-24,697.47-12,540.13

Finding the Fourth Proportional to 17,927.75, 24,697.47 and 12,540.13

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Solution

The fourth proportional to 17,927.75, 24,697.47 and 12,540.13 is: 17,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.75 : 24,697.47 = 12,540.13 : x
  2. Step 2: Convert to fraction form
    17,927.75/24,697.47 = 12,540.13/x
  3. Step 3: Cross multiply
    17,927.75x = 24,697.47 × 12,540.13
  4. Step 4: Simplify right side
    17,927.75x = 309,709,360.98
  5. Step 5: Solve for x
    x = 309,709,360.98/17,927.75
  6. Step 6: Final answer
    x = 17,275.42

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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.