Home / 19,981.54-27,574.47-11,028.99

Finding the Fourth Proportional to 19,981.54, 27,574.47 and 11,028.99

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Solution

The fourth proportional to 19,981.54, 27,574.47 and 11,028.99 is: 15,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.54 : 27,574.47 = 11,028.99 : x
  2. Step 2: Convert to fraction form
    19,981.54/27,574.47 = 11,028.99/x
  3. Step 3: Cross multiply
    19,981.54x = 27,574.47 × 11,028.99
  4. Step 4: Simplify right side
    19,981.54x = 304,118,416.01
  5. Step 5: Solve for x
    x = 304,118,416.01/19,981.54
  6. Step 6: Final answer
    x = 15,219.97

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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.