Home / 18,347.61-27,521.37-5,200.00

Finding the Fourth Proportional to 18,347.61, 27,521.37 and 5,200.00

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Solution

The fourth proportional to 18,347.61, 27,521.37 and 5,200.00 is: 7,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.61 : 27,521.37 = 5,200.00 : x
  2. Step 2: Convert to fraction form
    18,347.61/27,521.37 = 5,200.00/x
  3. Step 3: Cross multiply
    18,347.61x = 27,521.37 × 5,200.00
  4. Step 4: Simplify right side
    18,347.61x = 143,111,055.20
  5. Step 5: Solve for x
    x = 143,111,055.20/18,347.61
  6. Step 6: Final answer
    x = 7,799.98

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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.