Home / 14,336.90-19,781.70-8,048.87

Finding the Fourth Proportional to 14,336.90, 19,781.70 and 8,048.87

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Solution

The fourth proportional to 14,336.90, 19,781.70 and 8,048.87 is: 11,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.90 : 19,781.70 = 8,048.87 : x
  2. Step 2: Convert to fraction form
    14,336.90/19,781.70 = 8,048.87/x
  3. Step 3: Cross multiply
    14,336.90x = 19,781.70 × 8,048.87
  4. Step 4: Simplify right side
    14,336.90x = 159,220,232.77
  5. Step 5: Solve for x
    x = 159,220,232.77/14,336.90
  6. Step 6: Final answer
    x = 11,105.63

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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.