Home / 14,957.22-20,649.78-13,296.36

Finding the Fourth Proportional to 14,957.22, 20,649.78 and 13,296.36

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Solution

The fourth proportional to 14,957.22, 20,649.78 and 13,296.36 is: 18,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.22 : 20,649.78 = 13,296.36 : x
  2. Step 2: Convert to fraction form
    14,957.22/20,649.78 = 13,296.36/x
  3. Step 3: Cross multiply
    14,957.22x = 20,649.78 × 13,296.36
  4. Step 4: Simplify right side
    14,957.22x = 274,566,908.80
  5. Step 5: Solve for x
    x = 274,566,908.80/14,957.22
  6. Step 6: Final answer
    x = 18,356.81

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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.