Home / 19,966.40-27,553.29-11,014.76

Finding the Fourth Proportional to 19,966.40, 27,553.29 and 11,014.76

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Solution

The fourth proportional to 19,966.40, 27,553.29 and 11,014.76 is: 15,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.40 : 27,553.29 = 11,014.76 : x
  2. Step 2: Convert to fraction form
    19,966.40/27,553.29 = 11,014.76/x
  3. Step 3: Cross multiply
    19,966.40x = 27,553.29 × 11,014.76
  4. Step 4: Simplify right side
    19,966.40x = 303,492,876.56
  5. Step 5: Solve for x
    x = 303,492,876.56/19,966.40
  6. Step 6: Final answer
    x = 15,200.18

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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.