Home / 22,653.99-31,261.19-12,581.85

Finding the Fourth Proportional to 22,653.99, 31,261.19 and 12,581.85

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Solution

The fourth proportional to 22,653.99, 31,261.19 and 12,581.85 is: 17,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.99 : 31,261.19 = 12,581.85 : x
  2. Step 2: Convert to fraction form
    22,653.99/31,261.19 = 12,581.85/x
  3. Step 3: Cross multiply
    22,653.99x = 31,261.19 × 12,581.85
  4. Step 4: Simplify right side
    22,653.99x = 393,323,540.49
  5. Step 5: Solve for x
    x = 393,323,540.49/22,653.99
  6. Step 6: Final answer
    x = 17,362.22

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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.