Home / 14,950.77-20,631.37-8,236.07

Finding the Fourth Proportional to 14,950.77, 20,631.37 and 8,236.07

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Solution

The fourth proportional to 14,950.77, 20,631.37 and 8,236.07 is: 11,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.77 : 20,631.37 = 8,236.07 : x
  2. Step 2: Convert to fraction form
    14,950.77/20,631.37 = 8,236.07/x
  3. Step 3: Cross multiply
    14,950.77x = 20,631.37 × 8,236.07
  4. Step 4: Simplify right side
    14,950.77x = 169,921,407.52
  5. Step 5: Solve for x
    x = 169,921,407.52/14,950.77
  6. Step 6: Final answer
    x = 11,365.40

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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.