Home / 22,529.14-31,087.50-12,456.22

Finding the Fourth Proportional to 22,529.14, 31,087.50 and 12,456.22

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Solution

The fourth proportional to 22,529.14, 31,087.50 and 12,456.22 is: 17,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.14 : 31,087.50 = 12,456.22 : x
  2. Step 2: Convert to fraction form
    22,529.14/31,087.50 = 12,456.22/x
  3. Step 3: Cross multiply
    22,529.14x = 31,087.50 × 12,456.22
  4. Step 4: Simplify right side
    22,529.14x = 387,232,739.25
  5. Step 5: Solve for x
    x = 387,232,739.25/22,529.14
  6. Step 6: Final answer
    x = 17,188.08

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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.