Home / 16,550.55-22,817.81-13,707.45

Finding the Fourth Proportional to 16,550.55, 22,817.81 and 13,707.45

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Solution

The fourth proportional to 16,550.55, 22,817.81 and 13,707.45 is: 18,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550.55 : 22,817.81 = 13,707.45 : x
  2. Step 2: Convert to fraction form
    16,550.55/22,817.81 = 13,707.45/x
  3. Step 3: Cross multiply
    16,550.55x = 22,817.81 × 13,707.45
  4. Step 4: Simplify right side
    16,550.55x = 312,773,989.68
  5. Step 5: Solve for x
    x = 312,773,989.68/16,550.55
  6. Step 6: Final answer
    x = 18,898.10

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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.