Home / 14,632.55-20,187.83-8,258.36

Finding the Fourth Proportional to 14,632.55, 20,187.83 and 8,258.36

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Solution

The fourth proportional to 14,632.55, 20,187.83 and 8,258.36 is: 11,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632.55 : 20,187.83 = 8,258.36 : x
  2. Step 2: Convert to fraction form
    14,632.55/20,187.83 = 8,258.36/x
  3. Step 3: Cross multiply
    14,632.55x = 20,187.83 × 8,258.36
  4. Step 4: Simplify right side
    14,632.55x = 166,718,287.47
  5. Step 5: Solve for x
    x = 166,718,287.47/14,632.55
  6. Step 6: Final answer
    x = 11,393.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.