Home / 13,363.66-20,058.48-6,443.02

Finding the Fourth Proportional to 13,363.66, 20,058.48 and 6,443.02

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Solution

The fourth proportional to 13,363.66, 20,058.48 and 6,443.02 is: 9,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.66 : 20,058.48 = 6,443.02 : x
  2. Step 2: Convert to fraction form
    13,363.66/20,058.48 = 6,443.02/x
  3. Step 3: Cross multiply
    13,363.66x = 20,058.48 × 6,443.02
  4. Step 4: Simplify right side
    13,363.66x = 129,237,187.81
  5. Step 5: Solve for x
    x = 129,237,187.81/13,363.66
  6. Step 6: Final answer
    x = 9,670.79

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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.