Home / 18,075.48-27,092.40-6,977.28

Finding the Fourth Proportional to 18,075.48, 27,092.40 and 6,977.28

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Solution

The fourth proportional to 18,075.48, 27,092.40 and 6,977.28 is: 10,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.48 : 27,092.40 = 6,977.28 : x
  2. Step 2: Convert to fraction form
    18,075.48/27,092.40 = 6,977.28/x
  3. Step 3: Cross multiply
    18,075.48x = 27,092.40 × 6,977.28
  4. Step 4: Simplify right side
    18,075.48x = 189,031,260.67
  5. Step 5: Solve for x
    x = 189,031,260.67/18,075.48
  6. Step 6: Final answer
    x = 10,457.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.