Home / 14,876.60-20,529.34-8,162.16

Finding the Fourth Proportional to 14,876.60, 20,529.34 and 8,162.16

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Solution

The fourth proportional to 14,876.60, 20,529.34 and 8,162.16 is: 11,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.60 : 20,529.34 = 8,162.16 : x
  2. Step 2: Convert to fraction form
    14,876.60/20,529.34 = 8,162.16/x
  3. Step 3: Cross multiply
    14,876.60x = 20,529.34 × 8,162.16
  4. Step 4: Simplify right side
    14,876.60x = 167,563,757.77
  5. Step 5: Solve for x
    x = 167,563,757.77/14,876.60
  6. Step 6: Final answer
    x = 11,263.58

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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.