Home / 13,823.43-19,073.89-7,853.95

Finding the Fourth Proportional to 13,823.43, 19,073.89 and 7,853.95

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Solution

The fourth proportional to 13,823.43, 19,073.89 and 7,853.95 is: 10,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.43 : 19,073.89 = 7,853.95 : x
  2. Step 2: Convert to fraction form
    13,823.43/19,073.89 = 7,853.95/x
  3. Step 3: Cross multiply
    13,823.43x = 19,073.89 × 7,853.95
  4. Step 4: Simplify right side
    13,823.43x = 149,805,346.55
  5. Step 5: Solve for x
    x = 149,805,346.55/13,823.43
  6. Step 6: Final answer
    x = 10,837.06

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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.