Home / 14,652.06-20,221.29-8,365.38

Finding the Fourth Proportional to 14,652.06, 20,221.29 and 8,365.38

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Solution

The fourth proportional to 14,652.06, 20,221.29 and 8,365.38 is: 11,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.06 : 20,221.29 = 8,365.38 : x
  2. Step 2: Convert to fraction form
    14,652.06/20,221.29 = 8,365.38/x
  3. Step 3: Cross multiply
    14,652.06x = 20,221.29 × 8,365.38
  4. Step 4: Simplify right side
    14,652.06x = 169,158,774.94
  5. Step 5: Solve for x
    x = 169,158,774.94/14,652.06
  6. Step 6: Final answer
    x = 11,545.05

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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.