Home / 15,859.96-21,861.24-10,753.82

Finding the Fourth Proportional to 15,859.96, 21,861.24 and 10,753.82

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Solution

The fourth proportional to 15,859.96, 21,861.24 and 10,753.82 is: 14,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.96 : 21,861.24 = 10,753.82 : x
  2. Step 2: Convert to fraction form
    15,859.96/21,861.24 = 10,753.82/x
  3. Step 3: Cross multiply
    15,859.96x = 21,861.24 × 10,753.82
  4. Step 4: Simplify right side
    15,859.96x = 235,091,772.28
  5. Step 5: Solve for x
    x = 235,091,772.28/15,859.96
  6. Step 6: Final answer
    x = 14,822.98

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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.