Home / 19,577.54-27,018.09-11,080.10

Finding the Fourth Proportional to 19,577.54, 27,018.09 and 11,080.10

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Solution

The fourth proportional to 19,577.54, 27,018.09 and 11,080.10 is: 15,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.54 : 27,018.09 = 11,080.10 : x
  2. Step 2: Convert to fraction form
    19,577.54/27,018.09 = 11,080.10/x
  3. Step 3: Cross multiply
    19,577.54x = 27,018.09 × 11,080.10
  4. Step 4: Simplify right side
    19,577.54x = 299,363,139.01
  5. Step 5: Solve for x
    x = 299,363,139.01/19,577.54
  6. Step 6: Final answer
    x = 15,291.15

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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.