Home / 19,984.71-27,578.75-11,032.21

Finding the Fourth Proportional to 19,984.71, 27,578.75 and 11,032.21

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Solution

The fourth proportional to 19,984.71, 27,578.75 and 11,032.21 is: 15,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.71 : 27,578.75 = 11,032.21 : x
  2. Step 2: Convert to fraction form
    19,984.71/27,578.75 = 11,032.21/x
  3. Step 3: Cross multiply
    19,984.71x = 27,578.75 × 11,032.21
  4. Step 4: Simplify right side
    19,984.71x = 304,254,368.48
  5. Step 5: Solve for x
    x = 304,254,368.48/19,984.71
  6. Step 6: Final answer
    x = 15,224.36

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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.