Home / 22,803.64-31,468.98-13,372.12

Finding the Fourth Proportional to 22,803.64, 31,468.98 and 13,372.12

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Solution

The fourth proportional to 22,803.64, 31,468.98 and 13,372.12 is: 18,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,803.64 : 31,468.98 = 13,372.12 : x
  2. Step 2: Convert to fraction form
    22,803.64/31,468.98 = 13,372.12/x
  3. Step 3: Cross multiply
    22,803.64x = 31,468.98 × 13,372.12
  4. Step 4: Simplify right side
    22,803.64x = 420,806,976.84
  5. Step 5: Solve for x
    x = 420,806,976.84/22,803.64
  6. Step 6: Final answer
    x = 18,453.50

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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.