Home / 19,569.12-27,005.16-11,071.11

Finding the Fourth Proportional to 19,569.12, 27,005.16 and 11,071.11

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Solution

The fourth proportional to 19,569.12, 27,005.16 and 11,071.11 is: 15,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.12 : 27,005.16 = 11,071.11 : x
  2. Step 2: Convert to fraction form
    19,569.12/27,005.16 = 11,071.11/x
  3. Step 3: Cross multiply
    19,569.12x = 27,005.16 × 11,071.11
  4. Step 4: Simplify right side
    19,569.12x = 298,977,096.93
  5. Step 5: Solve for x
    x = 298,977,096.93/19,569.12
  6. Step 6: Final answer
    x = 15,278.00

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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.