Home / 27,669.16-38,191.62-19,288.36

Finding the Fourth Proportional to 27,669.16, 38,191.62 and 19,288.36

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Solution

The fourth proportional to 27,669.16, 38,191.62 and 19,288.36 is: 26,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.16 : 38,191.62 = 19,288.36 : x
  2. Step 2: Convert to fraction form
    27,669.16/38,191.62 = 19,288.36/x
  3. Step 3: Cross multiply
    27,669.16x = 38,191.62 × 19,288.36
  4. Step 4: Simplify right side
    27,669.16x = 736,653,715.54
  5. Step 5: Solve for x
    x = 736,653,715.54/27,669.16
  6. Step 6: Final answer
    x = 26,623.64

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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.