Home / 22,423.77-30,944.16-12,865.26

Finding the Fourth Proportional to 22,423.77, 30,944.16 and 12,865.26

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Solution

The fourth proportional to 22,423.77, 30,944.16 and 12,865.26 is: 17,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.77 : 30,944.16 = 12,865.26 : x
  2. Step 2: Convert to fraction form
    22,423.77/30,944.16 = 12,865.26/x
  3. Step 3: Cross multiply
    22,423.77x = 30,944.16 × 12,865.26
  4. Step 4: Simplify right side
    22,423.77x = 398,104,663.88
  5. Step 5: Solve for x
    x = 398,104,663.88/22,423.77
  6. Step 6: Final answer
    x = 17,753.69

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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.