Home / 22,114.95-30,516.62-13,161.01

Finding the Fourth Proportional to 22,114.95, 30,516.62 and 13,161.01

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Solution

The fourth proportional to 22,114.95, 30,516.62 and 13,161.01 is: 18,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.95 : 30,516.62 = 13,161.01 : x
  2. Step 2: Convert to fraction form
    22,114.95/30,516.62 = 13,161.01/x
  3. Step 3: Cross multiply
    22,114.95x = 30,516.62 × 13,161.01
  4. Step 4: Simplify right side
    22,114.95x = 401,629,497.60
  5. Step 5: Solve for x
    x = 401,629,497.60/22,114.95
  6. Step 6: Final answer
    x = 18,161.00

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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.