Home / 16,470.63-22,739.97-10,815.42

Finding the Fourth Proportional to 16,470.63, 22,739.97 and 10,815.42

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Solution

The fourth proportional to 16,470.63, 22,739.97 and 10,815.42 is: 14,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.63 : 22,739.97 = 10,815.42 : x
  2. Step 2: Convert to fraction form
    16,470.63/22,739.97 = 10,815.42/x
  3. Step 3: Cross multiply
    16,470.63x = 22,739.97 × 10,815.42
  4. Step 4: Simplify right side
    16,470.63x = 245,942,326.34
  5. Step 5: Solve for x
    x = 245,942,326.34/16,470.63
  6. Step 6: Final answer
    x = 14,932.17

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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.