Home / 19,991.16-27,587.66-11,038.66

Finding the Fourth Proportional to 19,991.16, 27,587.66 and 11,038.66

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Solution

The fourth proportional to 19,991.16, 27,587.66 and 11,038.66 is: 15,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.16 : 27,587.66 = 11,038.66 : x
  2. Step 2: Convert to fraction form
    19,991.16/27,587.66 = 11,038.66/x
  3. Step 3: Cross multiply
    19,991.16x = 27,587.66 × 11,038.66
  4. Step 4: Simplify right side
    19,991.16x = 304,530,674.77
  5. Step 5: Solve for x
    x = 304,530,674.77/19,991.16
  6. Step 6: Final answer
    x = 15,233.27

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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.