Home / 19,653.29-27,117.15-11,269.79

Finding the Fourth Proportional to 19,653.29, 27,117.15 and 11,269.79

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Solution

The fourth proportional to 19,653.29, 27,117.15 and 11,269.79 is: 15,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.29 : 27,117.15 = 11,269.79 : x
  2. Step 2: Convert to fraction form
    19,653.29/27,117.15 = 11,269.79/x
  3. Step 3: Cross multiply
    19,653.29x = 27,117.15 × 11,269.79
  4. Step 4: Simplify right side
    19,653.29x = 305,604,585.90
  5. Step 5: Solve for x
    x = 305,604,585.90/19,653.29
  6. Step 6: Final answer
    x = 15,549.79

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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.