Home / 19,548.61-26,980.69-11,165.11

Finding the Fourth Proportional to 19,548.61, 26,980.69 and 11,165.11

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Solution

The fourth proportional to 19,548.61, 26,980.69 and 11,165.11 is: 15,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.61 : 26,980.69 = 11,165.11 : x
  2. Step 2: Convert to fraction form
    19,548.61/26,980.69 = 11,165.11/x
  3. Step 3: Cross multiply
    19,548.61x = 26,980.69 × 11,165.11
  4. Step 4: Simplify right side
    19,548.61x = 301,242,236.82
  5. Step 5: Solve for x
    x = 301,242,236.82/19,548.61
  6. Step 6: Final answer
    x = 15,409.91

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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.