Home / 14,876.23-20,529.02-8,161.91

Finding the Fourth Proportional to 14,876.23, 20,529.02 and 8,161.91

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Solution

The fourth proportional to 14,876.23, 20,529.02 and 8,161.91 is: 11,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.23 : 20,529.02 = 8,161.91 : x
  2. Step 2: Convert to fraction form
    14,876.23/20,529.02 = 8,161.91/x
  3. Step 3: Cross multiply
    14,876.23x = 20,529.02 × 8,161.91
  4. Step 4: Simplify right side
    14,876.23x = 167,555,972.82
  5. Step 5: Solve for x
    x = 167,555,972.82/14,876.23
  6. Step 6: Final answer
    x = 11,263.34

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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.