Home / 14,881.16-20,535.35-8,166.90

Finding the Fourth Proportional to 14,881.16, 20,535.35 and 8,166.90

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Solution

The fourth proportional to 14,881.16, 20,535.35 and 8,166.90 is: 11,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.16 : 20,535.35 = 8,166.90 : x
  2. Step 2: Convert to fraction form
    14,881.16/20,535.35 = 8,166.90/x
  3. Step 3: Cross multiply
    14,881.16x = 20,535.35 × 8,166.90
  4. Step 4: Simplify right side
    14,881.16x = 167,710,166.39
  5. Step 5: Solve for x
    x = 167,710,166.39/14,881.16
  6. Step 6: Final answer
    x = 11,269.97

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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.