Home / 19,966.76-27,564.92-12,010.76

Finding the Fourth Proportional to 19,966.76, 27,564.92 and 12,010.76

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Solution

The fourth proportional to 19,966.76, 27,564.92 and 12,010.76 is: 16,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.76 : 27,564.92 = 12,010.76 : x
  2. Step 2: Convert to fraction form
    19,966.76/27,564.92 = 12,010.76/x
  3. Step 3: Cross multiply
    19,966.76x = 27,564.92 × 12,010.76
  4. Step 4: Simplify right side
    19,966.76x = 331,075,638.54
  5. Step 5: Solve for x
    x = 331,075,638.54/19,966.76
  6. Step 6: Final answer
    x = 16,581.34

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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.