Home / 19,630.07-27,088.91-11,132.97

Finding the Fourth Proportional to 19,630.07, 27,088.91 and 11,132.97

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Solution

The fourth proportional to 19,630.07, 27,088.91 and 11,132.97 is: 15,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.07 : 27,088.91 = 11,132.97 : x
  2. Step 2: Convert to fraction form
    19,630.07/27,088.91 = 11,132.97/x
  3. Step 3: Cross multiply
    19,630.07x = 27,088.91 × 11,132.97
  4. Step 4: Simplify right side
    19,630.07x = 301,579,966.70
  5. Step 5: Solve for x
    x = 301,579,966.70/19,630.07
  6. Step 6: Final answer
    x = 15,363.17

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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.