Home / 14,398.27-19,868.84-7,937.71

Finding the Fourth Proportional to 14,398.27, 19,868.84 and 7,937.71

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Solution

The fourth proportional to 14,398.27, 19,868.84 and 7,937.71 is: 10,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.27 : 19,868.84 = 7,937.71 : x
  2. Step 2: Convert to fraction form
    14,398.27/19,868.84 = 7,937.71/x
  3. Step 3: Cross multiply
    14,398.27x = 19,868.84 × 7,937.71
  4. Step 4: Simplify right side
    14,398.27x = 157,713,089.96
  5. Step 5: Solve for x
    x = 157,713,089.96/14,398.27
  6. Step 6: Final answer
    x = 10,953.61

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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.