Home / 13,064.72-19,684.25-11,816.76

Finding the Fourth Proportional to 13,064.72, 19,684.25 and 11,816.76

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Solution

The fourth proportional to 13,064.72, 19,684.25 and 11,816.76 is: 17,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.72 : 19,684.25 = 11,816.76 : x
  2. Step 2: Convert to fraction form
    13,064.72/19,684.25 = 11,816.76/x
  3. Step 3: Cross multiply
    13,064.72x = 19,684.25 × 11,816.76
  4. Step 4: Simplify right side
    13,064.72x = 232,603,944.82
  5. Step 5: Solve for x
    x = 232,603,944.82/13,064.72
  6. Step 6: Final answer
    x = 17,803.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.