Home / 14,315.75-19,755.94-10,724.34

Finding the Fourth Proportional to 14,315.75, 19,755.94 and 10,724.34

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Solution

The fourth proportional to 14,315.75, 19,755.94 and 10,724.34 is: 14,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.75 : 19,755.94 = 10,724.34 : x
  2. Step 2: Convert to fraction form
    14,315.75/19,755.94 = 10,724.34/x
  3. Step 3: Cross multiply
    14,315.75x = 19,755.94 × 10,724.34
  4. Step 4: Simplify right side
    14,315.75x = 211,869,390.77
  5. Step 5: Solve for x
    x = 211,869,390.77/14,315.75
  6. Step 6: Final answer
    x = 14,799.75

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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.