Home / 14,135.24-21,184.02-7,458.12

Finding the Fourth Proportional to 14,135.24, 21,184.02 and 7,458.12

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Solution

The fourth proportional to 14,135.24, 21,184.02 and 7,458.12 is: 11,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.24 : 21,184.02 = 7,458.12 : x
  2. Step 2: Convert to fraction form
    14,135.24/21,184.02 = 7,458.12/x
  3. Step 3: Cross multiply
    14,135.24x = 21,184.02 × 7,458.12
  4. Step 4: Simplify right side
    14,135.24x = 157,992,963.24
  5. Step 5: Solve for x
    x = 157,992,963.24/14,135.24
  6. Step 6: Final answer
    x = 11,177.24

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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.