Home / 16,805.04-23,192.10-11,130

Finding the Fourth Proportional to 16,805.04, 23,192.10 and 11,130

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Solution

The fourth proportional to 16,805.04, 23,192.10 and 11,130 is: 15,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.04 : 23,192.10 = 11,130 : x
  2. Step 2: Convert to fraction form
    16,805.04/23,192.10 = 11,130/x
  3. Step 3: Cross multiply
    16,805.04x = 23,192.10 × 11,130
  4. Step 4: Simplify right side
    16,805.04x = 258,128,073.00
  5. Step 5: Solve for x
    x = 258,128,073.00/16,805.04
  6. Step 6: Final answer
    x = 15,360.16

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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.