Home / 19,363.36-26,720.96-11,298.56

Finding the Fourth Proportional to 19,363.36, 26,720.96 and 11,298.56

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Solution

The fourth proportional to 19,363.36, 26,720.96 and 11,298.56 is: 15,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.36 : 26,720.96 = 11,298.56 : x
  2. Step 2: Convert to fraction form
    19,363.36/26,720.96 = 11,298.56/x
  3. Step 3: Cross multiply
    19,363.36x = 26,720.96 × 11,298.56
  4. Step 4: Simplify right side
    19,363.36x = 301,908,369.82
  5. Step 5: Solve for x
    x = 301,908,369.82/19,363.36
  6. Step 6: Final answer
    x = 15,591.73

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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.