Home / 14,795.72-20,417.46-8,081.24

Finding the Fourth Proportional to 14,795.72, 20,417.46 and 8,081.24

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Solution

The fourth proportional to 14,795.72, 20,417.46 and 8,081.24 is: 11,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.72 : 20,417.46 = 8,081.24 : x
  2. Step 2: Convert to fraction form
    14,795.72/20,417.46 = 8,081.24/x
  3. Step 3: Cross multiply
    14,795.72x = 20,417.46 × 8,081.24
  4. Step 4: Simplify right side
    14,795.72x = 164,998,394.45
  5. Step 5: Solve for x
    x = 164,998,394.45/14,795.72
  6. Step 6: Final answer
    x = 11,151.77

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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.