Home / 15,669.86-23,514.35-6,783.46

Finding the Fourth Proportional to 15,669.86, 23,514.35 and 6,783.46

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Solution

The fourth proportional to 15,669.86, 23,514.35 and 6,783.46 is: 10,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.86 : 23,514.35 = 6,783.46 : x
  2. Step 2: Convert to fraction form
    15,669.86/23,514.35 = 6,783.46/x
  3. Step 3: Cross multiply
    15,669.86x = 23,514.35 × 6,783.46
  4. Step 4: Simplify right side
    15,669.86x = 159,508,631.17
  5. Step 5: Solve for x
    x = 159,508,631.17/15,669.86
  6. Step 6: Final answer
    x = 10,179.33

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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.