Home / 14,542.74-20,069.64-8,574.66

Finding the Fourth Proportional to 14,542.74, 20,069.64 and 8,574.66

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Solution

The fourth proportional to 14,542.74, 20,069.64 and 8,574.66 is: 11,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.74 : 20,069.64 = 8,574.66 : x
  2. Step 2: Convert to fraction form
    14,542.74/20,069.64 = 8,574.66/x
  3. Step 3: Cross multiply
    14,542.74x = 20,069.64 × 8,574.66
  4. Step 4: Simplify right side
    14,542.74x = 172,090,339.32
  5. Step 5: Solve for x
    x = 172,090,339.32/14,542.74
  6. Step 6: Final answer
    x = 11,833.42

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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.