Home / 14,065.45-21,180.08-10,393.31

Finding the Fourth Proportional to 14,065.45, 21,180.08 and 10,393.31

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Solution

The fourth proportional to 14,065.45, 21,180.08 and 10,393.31 is: 15,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.45 : 21,180.08 = 10,393.31 : x
  2. Step 2: Convert to fraction form
    14,065.45/21,180.08 = 10,393.31/x
  3. Step 3: Cross multiply
    14,065.45x = 21,180.08 × 10,393.31
  4. Step 4: Simplify right side
    14,065.45x = 220,131,216.20
  5. Step 5: Solve for x
    x = 220,131,216.20/14,065.45
  6. Step 6: Final answer
    x = 15,650.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.