Home / 18,019.02-27,024.77-4,868.31

Finding the Fourth Proportional to 18,019.02, 27,024.77 and 4,868.31

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Solution

The fourth proportional to 18,019.02, 27,024.77 and 4,868.31 is: 7,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.02 : 27,024.77 = 4,868.31 : x
  2. Step 2: Convert to fraction form
    18,019.02/27,024.77 = 4,868.31/x
  3. Step 3: Cross multiply
    18,019.02x = 27,024.77 × 4,868.31
  4. Step 4: Simplify right side
    18,019.02x = 131,564,970.21
  5. Step 5: Solve for x
    x = 131,564,970.21/18,019.02
  6. Step 6: Final answer
    x = 7,301.45

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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.