Home / 16,215.86-22,383.45-9,503.66

Finding the Fourth Proportional to 16,215.86, 22,383.45 and 9,503.66

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Solution

The fourth proportional to 16,215.86, 22,383.45 and 9,503.66 is: 13,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.86 : 22,383.45 = 9,503.66 : x
  2. Step 2: Convert to fraction form
    16,215.86/22,383.45 = 9,503.66/x
  3. Step 3: Cross multiply
    16,215.86x = 22,383.45 × 9,503.66
  4. Step 4: Simplify right side
    16,215.86x = 212,724,754.39
  5. Step 5: Solve for x
    x = 212,724,754.39/16,215.86
  6. Step 6: Final answer
    x = 13,118.31

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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.