Home / 22,271.36-30,705.28-18,497.92

Finding the Fourth Proportional to 22,271.36, 30,705.28 and 18,497.92

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Solution

The fourth proportional to 22,271.36, 30,705.28 and 18,497.92 is: 25,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.36 : 30,705.28 = 18,497.92 : x
  2. Step 2: Convert to fraction form
    22,271.36/30,705.28 = 18,497.92/x
  3. Step 3: Cross multiply
    22,271.36x = 30,705.28 × 18,497.92
  4. Step 4: Simplify right side
    22,271.36x = 567,983,813.02
  5. Step 5: Solve for x
    x = 567,983,813.02/22,271.36
  6. Step 6: Final answer
    x = 25,502.88

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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.