Home / 14,728.00-20,326.72-8,356.16

Finding the Fourth Proportional to 14,728.00, 20,326.72 and 8,356.16

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Solution

The fourth proportional to 14,728.00, 20,326.72 and 8,356.16 is: 11,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.00 : 20,326.72 = 8,356.16 : x
  2. Step 2: Convert to fraction form
    14,728.00/20,326.72 = 8,356.16/x
  3. Step 3: Cross multiply
    14,728.00x = 20,326.72 × 8,356.16
  4. Step 4: Simplify right side
    14,728.00x = 169,853,393.69
  5. Step 5: Solve for x
    x = 169,853,393.69/14,728.00
  6. Step 6: Final answer
    x = 11,532.68

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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.