Home / 19,981.84-27,573.75-11,029.11

Finding the Fourth Proportional to 19,981.84, 27,573.75 and 11,029.11

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Solution

The fourth proportional to 19,981.84, 27,573.75 and 11,029.11 is: 15,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.84 : 27,573.75 = 11,029.11 : x
  2. Step 2: Convert to fraction form
    19,981.84/27,573.75 = 11,029.11/x
  3. Step 3: Cross multiply
    19,981.84x = 27,573.75 × 11,029.11
  4. Step 4: Simplify right side
    19,981.84x = 304,113,921.86
  5. Step 5: Solve for x
    x = 304,113,921.86/19,981.84
  6. Step 6: Final answer
    x = 15,219.52

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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.