Home / 19,663.07-27,135.81-11,281.19

Finding the Fourth Proportional to 19,663.07, 27,135.81 and 11,281.19

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Solution

The fourth proportional to 19,663.07, 27,135.81 and 11,281.19 is: 15,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.07 : 27,135.81 = 11,281.19 : x
  2. Step 2: Convert to fraction form
    19,663.07/27,135.81 = 11,281.19/x
  3. Step 3: Cross multiply
    19,663.07x = 27,135.81 × 11,281.19
  4. Step 4: Simplify right side
    19,663.07x = 306,124,228.41
  5. Step 5: Solve for x
    x = 306,124,228.41/19,663.07
  6. Step 6: Final answer
    x = 15,568.49

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Double scale
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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.