Home / 22,178.82-30,606.73-16,518.40

Finding the Fourth Proportional to 22,178.82, 30,606.73 and 16,518.40

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Solution

The fourth proportional to 22,178.82, 30,606.73 and 16,518.40 is: 22,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.82 : 30,606.73 = 16,518.40 : x
  2. Step 2: Convert to fraction form
    22,178.82/30,606.73 = 16,518.40/x
  3. Step 3: Cross multiply
    22,178.82x = 30,606.73 × 16,518.40
  4. Step 4: Simplify right side
    22,178.82x = 505,574,208.83
  5. Step 5: Solve for x
    x = 505,574,208.83/22,178.82
  6. Step 6: Final answer
    x = 22,795.36

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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.