Home / 13,347.02-20,022.36-4,580.79

Finding the Fourth Proportional to 13,347.02, 20,022.36 and 4,580.79

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Solution

The fourth proportional to 13,347.02, 20,022.36 and 4,580.79 is: 6,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.02 : 20,022.36 = 4,580.79 : x
  2. Step 2: Convert to fraction form
    13,347.02/20,022.36 = 4,580.79/x
  3. Step 3: Cross multiply
    13,347.02x = 20,022.36 × 4,580.79
  4. Step 4: Simplify right side
    13,347.02x = 91,718,226.46
  5. Step 5: Solve for x
    x = 91,718,226.46/13,347.02
  6. Step 6: Final answer
    x = 6,871.82

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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.