Home / 22,688.51-33,963.10-20,550.11

Finding the Fourth Proportional to 22,688.51, 33,963.10 and 20,550.11

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Solution

The fourth proportional to 22,688.51, 33,963.10 and 20,550.11 is: 30,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.51 : 33,963.10 = 20,550.11 : x
  2. Step 2: Convert to fraction form
    22,688.51/33,963.10 = 20,550.11/x
  3. Step 3: Cross multiply
    22,688.51x = 33,963.10 × 20,550.11
  4. Step 4: Simplify right side
    22,688.51x = 697,945,219.75
  5. Step 5: Solve for x
    x = 697,945,219.75/22,688.51
  6. Step 6: Final answer
    x = 30,762.06

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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.