Home / 15,905.77-23,867.83-8,514.35

Finding the Fourth Proportional to 15,905.77, 23,867.83 and 8,514.35

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Solution

The fourth proportional to 15,905.77, 23,867.83 and 8,514.35 is: 12,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.77 : 23,867.83 = 8,514.35 : x
  2. Step 2: Convert to fraction form
    15,905.77/23,867.83 = 8,514.35/x
  3. Step 3: Cross multiply
    15,905.77x = 23,867.83 × 8,514.35
  4. Step 4: Simplify right side
    15,905.77x = 203,219,039.17
  5. Step 5: Solve for x
    x = 203,219,039.17/15,905.77
  6. Step 6: Final answer
    x = 12,776.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.