Home / 19,706.51-27,193.83-11,210.69

Finding the Fourth Proportional to 19,706.51, 27,193.83 and 11,210.69

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Solution

The fourth proportional to 19,706.51, 27,193.83 and 11,210.69 is: 15,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.51 : 27,193.83 = 11,210.69 : x
  2. Step 2: Convert to fraction form
    19,706.51/27,193.83 = 11,210.69/x
  3. Step 3: Cross multiply
    19,706.51x = 27,193.83 × 11,210.69
  4. Step 4: Simplify right side
    19,706.51x = 304,861,462.07
  5. Step 5: Solve for x
    x = 304,861,462.07/19,706.51
  6. Step 6: Final answer
    x = 15,470.09

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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.