Home / 19,859.16-27,398.76-11,790.96

Finding the Fourth Proportional to 19,859.16, 27,398.76 and 11,790.96

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Solution

The fourth proportional to 19,859.16, 27,398.76 and 11,790.96 is: 16,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.16 : 27,398.76 = 11,790.96 : x
  2. Step 2: Convert to fraction form
    19,859.16/27,398.76 = 11,790.96/x
  3. Step 3: Cross multiply
    19,859.16x = 27,398.76 × 11,790.96
  4. Step 4: Simplify right side
    19,859.16x = 323,057,683.21
  5. Step 5: Solve for x
    x = 323,057,683.21/19,859.16
  6. Step 6: Final answer
    x = 16,267.44

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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.