Home / 14,042.42-19,470.87-13,574.05

Finding the Fourth Proportional to 14,042.42, 19,470.87 and 13,574.05

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Solution

The fourth proportional to 14,042.42, 19,470.87 and 13,574.05 is: 18,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.42 : 19,470.87 = 13,574.05 : x
  2. Step 2: Convert to fraction form
    14,042.42/19,470.87 = 13,574.05/x
  3. Step 3: Cross multiply
    14,042.42x = 19,470.87 × 13,574.05
  4. Step 4: Simplify right side
    14,042.42x = 264,298,562.92
  5. Step 5: Solve for x
    x = 264,298,562.92/14,042.42
  6. Step 6: Final answer
    x = 18,821.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.