Home / 22,139.24-30,551.70-12,203.24

Finding the Fourth Proportional to 22,139.24, 30,551.70 and 12,203.24

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Solution

The fourth proportional to 22,139.24, 30,551.70 and 12,203.24 is: 16,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.24 : 30,551.70 = 12,203.24 : x
  2. Step 2: Convert to fraction form
    22,139.24/30,551.70 = 12,203.24/x
  3. Step 3: Cross multiply
    22,139.24x = 30,551.70 × 12,203.24
  4. Step 4: Simplify right side
    22,139.24x = 372,829,727.51
  5. Step 5: Solve for x
    x = 372,829,727.51/22,139.24
  6. Step 6: Final answer
    x = 16,840.22

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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.