Home / 13,180.17-19,768.19-4,415.16

Finding the Fourth Proportional to 13,180.17, 19,768.19 and 4,415.16

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Solution

The fourth proportional to 13,180.17, 19,768.19 and 4,415.16 is: 6,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.17 : 19,768.19 = 4,415.16 : x
  2. Step 2: Convert to fraction form
    13,180.17/19,768.19 = 4,415.16/x
  3. Step 3: Cross multiply
    13,180.17x = 19,768.19 × 4,415.16
  4. Step 4: Simplify right side
    13,180.17x = 87,279,699.68
  5. Step 5: Solve for x
    x = 87,279,699.68/13,180.17
  6. Step 6: Final answer
    x = 6,622.05

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1.5x scale

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.