Home / 19,663.65-27,135.86-11,706.14

Finding the Fourth Proportional to 19,663.65, 27,135.86 and 11,706.14

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Solution

The fourth proportional to 19,663.65, 27,135.86 and 11,706.14 is: 16,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.65 : 27,135.86 = 11,706.14 : x
  2. Step 2: Convert to fraction form
    19,663.65/27,135.86 = 11,706.14/x
  3. Step 3: Cross multiply
    19,663.65x = 27,135.86 × 11,706.14
  4. Step 4: Simplify right side
    19,663.65x = 317,655,981.97
  5. Step 5: Solve for x
    x = 317,655,981.97/19,663.65
  6. Step 6: Final answer
    x = 16,154.48

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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.