Home / 19,211.28-26,511.63-10,713.90

Finding the Fourth Proportional to 19,211.28, 26,511.63 and 10,713.90

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Solution

The fourth proportional to 19,211.28, 26,511.63 and 10,713.90 is: 14,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.28 : 26,511.63 = 10,713.90 : x
  2. Step 2: Convert to fraction form
    19,211.28/26,511.63 = 10,713.90/x
  3. Step 3: Cross multiply
    19,211.28x = 26,511.63 × 10,713.90
  4. Step 4: Simplify right side
    19,211.28x = 284,042,952.66
  5. Step 5: Solve for x
    x = 284,042,952.66/19,211.28
  6. Step 6: Final answer
    x = 14,785.22

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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.