Home / 19,569.92-27,005.88-11,071.40

Finding the Fourth Proportional to 19,569.92, 27,005.88 and 11,071.40

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Solution

The fourth proportional to 19,569.92, 27,005.88 and 11,071.40 is: 15,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.92 : 27,005.88 = 11,071.40 : x
  2. Step 2: Convert to fraction form
    19,569.92/27,005.88 = 11,071.40/x
  3. Step 3: Cross multiply
    19,569.92x = 27,005.88 × 11,071.40
  4. Step 4: Simplify right side
    19,569.92x = 298,992,899.83
  5. Step 5: Solve for x
    x = 298,992,899.83/19,569.92
  6. Step 6: Final answer
    x = 15,278.19

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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.