Home / 20,360.84-30,530.15-6,127.24

Finding the Fourth Proportional to 20,360.84, 30,530.15 and 6,127.24

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Solution

The fourth proportional to 20,360.84, 30,530.15 and 6,127.24 is: 9,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.84 : 30,530.15 = 6,127.24 : x
  2. Step 2: Convert to fraction form
    20,360.84/30,530.15 = 6,127.24/x
  3. Step 3: Cross multiply
    20,360.84x = 30,530.15 × 6,127.24
  4. Step 4: Simplify right side
    20,360.84x = 187,065,403.64
  5. Step 5: Solve for x
    x = 187,065,403.64/20,360.84
  6. Step 6: Final answer
    x = 9,187.51

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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.