Home / 14,048.91-19,385.19-8,079.35

Finding the Fourth Proportional to 14,048.91, 19,385.19 and 8,079.35

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Solution

The fourth proportional to 14,048.91, 19,385.19 and 8,079.35 is: 11,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.91 : 19,385.19 = 8,079.35 : x
  2. Step 2: Convert to fraction form
    14,048.91/19,385.19 = 8,079.35/x
  3. Step 3: Cross multiply
    14,048.91x = 19,385.19 × 8,079.35
  4. Step 4: Simplify right side
    14,048.91x = 156,619,637.90
  5. Step 5: Solve for x
    x = 156,619,637.90/14,048.91
  6. Step 6: Final answer
    x = 11,148.17

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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.