Home / 19,987.76-27,582.98-11,035.82

Finding the Fourth Proportional to 19,987.76, 27,582.98 and 11,035.82

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Solution

The fourth proportional to 19,987.76, 27,582.98 and 11,035.82 is: 15,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.76 : 27,582.98 = 11,035.82 : x
  2. Step 2: Convert to fraction form
    19,987.76/27,582.98 = 11,035.82/x
  3. Step 3: Cross multiply
    19,987.76x = 27,582.98 × 11,035.82
  4. Step 4: Simplify right side
    19,987.76x = 304,400,802.34
  5. Step 5: Solve for x
    x = 304,400,802.34/19,987.76
  6. Step 6: Final answer
    x = 15,229.36

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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.