Home / 14,739.80-20,341.31-8,025.71

Finding the Fourth Proportional to 14,739.80, 20,341.31 and 8,025.71

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Solution

The fourth proportional to 14,739.80, 20,341.31 and 8,025.71 is: 11,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.80 : 20,341.31 = 8,025.71 : x
  2. Step 2: Convert to fraction form
    14,739.80/20,341.31 = 8,025.71/x
  3. Step 3: Cross multiply
    14,739.80x = 20,341.31 × 8,025.71
  4. Step 4: Simplify right side
    14,739.80x = 163,253,313.25
  5. Step 5: Solve for x
    x = 163,253,313.25/14,739.80
  6. Step 6: Final answer
    x = 11,075.68

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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.