Home / 14,859.18-20,508.39-10,141.74

Finding the Fourth Proportional to 14,859.18, 20,508.39 and 10,141.74

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Solution

The fourth proportional to 14,859.18, 20,508.39 and 10,141.74 is: 13,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.18 : 20,508.39 = 10,141.74 : x
  2. Step 2: Convert to fraction form
    14,859.18/20,508.39 = 10,141.74/x
  3. Step 3: Cross multiply
    14,859.18x = 20,508.39 × 10,141.74
  4. Step 4: Simplify right side
    14,859.18x = 207,990,759.20
  5. Step 5: Solve for x
    x = 207,990,759.20/14,859.18
  6. Step 6: Final answer
    x = 13,997.46

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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.