Home / 14,342.37-19,781.51-10,376.61

Finding the Fourth Proportional to 14,342.37, 19,781.51 and 10,376.61

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Solution

The fourth proportional to 14,342.37, 19,781.51 and 10,376.61 is: 14,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.37 : 19,781.51 = 10,376.61 : x
  2. Step 2: Convert to fraction form
    14,342.37/19,781.51 = 10,376.61/x
  3. Step 3: Cross multiply
    14,342.37x = 19,781.51 × 10,376.61
  4. Step 4: Simplify right side
    14,342.37x = 205,265,014.48
  5. Step 5: Solve for x
    x = 205,265,014.48/14,342.37
  6. Step 6: Final answer
    x = 14,311.79

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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.