Home / 22,505.08-31,057.26-12,433.30

Finding the Fourth Proportional to 22,505.08, 31,057.26 and 12,433.30

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Solution

The fourth proportional to 22,505.08, 31,057.26 and 12,433.30 is: 17,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.08 : 31,057.26 = 12,433.30 : x
  2. Step 2: Convert to fraction form
    22,505.08/31,057.26 = 12,433.30/x
  3. Step 3: Cross multiply
    22,505.08x = 31,057.26 × 12,433.30
  4. Step 4: Simplify right side
    22,505.08x = 386,144,153.11
  5. Step 5: Solve for x
    x = 386,144,153.11/22,505.08
  6. Step 6: Final answer
    x = 17,158.09

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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.