Home / 16,422.94-22,663.56-9,349.21

Finding the Fourth Proportional to 16,422.94, 22,663.56 and 9,349.21

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Solution

The fourth proportional to 16,422.94, 22,663.56 and 9,349.21 is: 12,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.94 : 22,663.56 = 9,349.21 : x
  2. Step 2: Convert to fraction form
    16,422.94/22,663.56 = 9,349.21/x
  3. Step 3: Cross multiply
    16,422.94x = 22,663.56 × 9,349.21
  4. Step 4: Simplify right side
    16,422.94x = 211,886,381.79
  5. Step 5: Solve for x
    x = 211,886,381.79/16,422.94
  6. Step 6: Final answer
    x = 12,901.85

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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.