Home / 16,039.68-22,138.88-9,756.48

Finding the Fourth Proportional to 16,039.68, 22,138.88 and 9,756.48

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Solution

The fourth proportional to 16,039.68, 22,138.88 and 9,756.48 is: 13,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.68 : 22,138.88 = 9,756.48 : x
  2. Step 2: Convert to fraction form
    16,039.68/22,138.88 = 9,756.48/x
  3. Step 3: Cross multiply
    16,039.68x = 22,138.88 × 9,756.48
  4. Step 4: Simplify right side
    16,039.68x = 215,997,539.94
  5. Step 5: Solve for x
    x = 215,997,539.94/16,039.68
  6. Step 6: Final answer
    x = 13,466.45

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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.