Home / 22,621.12-31,231.80-14,558.38

Finding the Fourth Proportional to 22,621.12, 31,231.80 and 14,558.38

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Solution

The fourth proportional to 22,621.12, 31,231.80 and 14,558.38 is: 20,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.12 : 31,231.80 = 14,558.38 : x
  2. Step 2: Convert to fraction form
    22,621.12/31,231.80 = 14,558.38/x
  3. Step 3: Cross multiply
    22,621.12x = 31,231.80 × 14,558.38
  4. Step 4: Simplify right side
    22,621.12x = 454,684,412.48
  5. Step 5: Solve for x
    x = 454,684,412.48/22,621.12
  6. Step 6: Final answer
    x = 20,100.00

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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.