Home / 22,430.24-30,953.28-12,494.24

Finding the Fourth Proportional to 22,430.24, 30,953.28 and 12,494.24

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Solution

The fourth proportional to 22,430.24, 30,953.28 and 12,494.24 is: 17,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.24 : 30,953.28 = 12,494.24 : x
  2. Step 2: Convert to fraction form
    22,430.24/30,953.28 = 12,494.24/x
  3. Step 3: Cross multiply
    22,430.24x = 30,953.28 × 12,494.24
  4. Step 4: Simplify right side
    22,430.24x = 386,737,709.11
  5. Step 5: Solve for x
    x = 386,737,709.11/22,430.24
  6. Step 6: Final answer
    x = 17,241.80

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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.