Home / 14,079.04-19,408.80-9,874.24

Finding the Fourth Proportional to 14,079.04, 19,408.80 and 9,874.24

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Solution

The fourth proportional to 14,079.04, 19,408.80 and 9,874.24 is: 13,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.04 : 19,408.80 = 9,874.24 : x
  2. Step 2: Convert to fraction form
    14,079.04/19,408.80 = 9,874.24/x
  3. Step 3: Cross multiply
    14,079.04x = 19,408.80 × 9,874.24
  4. Step 4: Simplify right side
    14,079.04x = 191,647,149.31
  5. Step 5: Solve for x
    x = 191,647,149.31/14,079.04
  6. Step 6: Final answer
    x = 13,612.23

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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.