Home / 19,602.36-27,045.29-11,103.12

Finding the Fourth Proportional to 19,602.36, 27,045.29 and 11,103.12

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Solution

The fourth proportional to 19,602.36, 27,045.29 and 11,103.12 is: 15,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.36 : 27,045.29 = 11,103.12 : x
  2. Step 2: Convert to fraction form
    19,602.36/27,045.29 = 11,103.12/x
  3. Step 3: Cross multiply
    19,602.36x = 27,045.29 × 11,103.12
  4. Step 4: Simplify right side
    19,602.36x = 300,287,044.79
  5. Step 5: Solve for x
    x = 300,287,044.79/19,602.36
  6. Step 6: Final answer
    x = 15,318.92

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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.