Home / 22,235.72-30,694.74-13,856.36

Finding the Fourth Proportional to 22,235.72, 30,694.74 and 13,856.36

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Solution

The fourth proportional to 22,235.72, 30,694.74 and 13,856.36 is: 19,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.72 : 30,694.74 = 13,856.36 : x
  2. Step 2: Convert to fraction form
    22,235.72/30,694.74 = 13,856.36/x
  3. Step 3: Cross multiply
    22,235.72x = 30,694.74 × 13,856.36
  4. Step 4: Simplify right side
    22,235.72x = 425,317,367.55
  5. Step 5: Solve for x
    x = 425,317,367.55/22,235.72
  6. Step 6: Final answer
    x = 19,127.66

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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.