Home / 14,876.03-20,529.12-8,161.53

Finding the Fourth Proportional to 14,876.03, 20,529.12 and 8,161.53

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Solution

The fourth proportional to 14,876.03, 20,529.12 and 8,161.53 is: 11,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.03 : 20,529.12 = 8,161.53 : x
  2. Step 2: Convert to fraction form
    14,876.03/20,529.12 = 8,161.53/x
  3. Step 3: Cross multiply
    14,876.03x = 20,529.12 × 8,161.53
  4. Step 4: Simplify right side
    14,876.03x = 167,549,059.36
  5. Step 5: Solve for x
    x = 167,549,059.36/14,876.03
  6. Step 6: Final answer
    x = 11,263.03

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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.