Home / 14,026.11-19,356.14-7,738.71

Finding the Fourth Proportional to 14,026.11, 19,356.14 and 7,738.71

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Solution

The fourth proportional to 14,026.11, 19,356.14 and 7,738.71 is: 10,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.11 : 19,356.14 = 7,738.71 : x
  2. Step 2: Convert to fraction form
    14,026.11/19,356.14 = 7,738.71/x
  3. Step 3: Cross multiply
    14,026.11x = 19,356.14 × 7,738.71
  4. Step 4: Simplify right side
    14,026.11x = 149,791,515.49
  5. Step 5: Solve for x
    x = 149,791,515.49/14,026.11
  6. Step 6: Final answer
    x = 10,679.48

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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.