Home / 19,476.48-26,876.88-11,091.36

Finding the Fourth Proportional to 19,476.48, 26,876.88 and 11,091.36

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Solution

The fourth proportional to 19,476.48, 26,876.88 and 11,091.36 is: 15,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.48 : 26,876.88 = 11,091.36 : x
  2. Step 2: Convert to fraction form
    19,476.48/26,876.88 = 11,091.36/x
  3. Step 3: Cross multiply
    19,476.48x = 26,876.88 × 11,091.36
  4. Step 4: Simplify right side
    19,476.48x = 298,101,151.76
  5. Step 5: Solve for x
    x = 298,101,151.76/19,476.48
  6. Step 6: Final answer
    x = 15,305.70

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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.