Home / 14,079.04-19,425.78-9,612.09

Finding the Fourth Proportional to 14,079.04, 19,425.78 and 9,612.09

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Solution

The fourth proportional to 14,079.04, 19,425.78 and 9,612.09 is: 13,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.04 : 19,425.78 = 9,612.09 : x
  2. Step 2: Convert to fraction form
    14,079.04/19,425.78 = 9,612.09/x
  3. Step 3: Cross multiply
    14,079.04x = 19,425.78 × 9,612.09
  4. Step 4: Simplify right side
    14,079.04x = 186,722,345.68
  5. Step 5: Solve for x
    x = 186,722,345.68/14,079.04
  6. Step 6: Final answer
    x = 13,262.44

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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.