Home / 14,150.77-19,526.50-8,181.53

Finding the Fourth Proportional to 14,150.77, 19,526.50 and 8,181.53

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Solution

The fourth proportional to 14,150.77, 19,526.50 and 8,181.53 is: 11,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.77 : 19,526.50 = 8,181.53 : x
  2. Step 2: Convert to fraction form
    14,150.77/19,526.50 = 8,181.53/x
  3. Step 3: Cross multiply
    14,150.77x = 19,526.50 × 8,181.53
  4. Step 4: Simplify right side
    14,150.77x = 159,756,645.55
  5. Step 5: Solve for x
    x = 159,756,645.55/14,150.77
  6. Step 6: Final answer
    x = 11,289.61

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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.