Home / 19,630.69-27,091.07-11,248.81

Finding the Fourth Proportional to 19,630.69, 27,091.07 and 11,248.81

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Solution

The fourth proportional to 19,630.69, 27,091.07 and 11,248.81 is: 15,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.69 : 27,091.07 = 11,248.81 : x
  2. Step 2: Convert to fraction form
    19,630.69/27,091.07 = 11,248.81/x
  3. Step 3: Cross multiply
    19,630.69x = 27,091.07 × 11,248.81
  4. Step 4: Simplify right side
    19,630.69x = 304,742,299.13
  5. Step 5: Solve for x
    x = 304,742,299.13/19,630.69
  6. Step 6: Final answer
    x = 15,523.77

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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.