Home / 16,503.10-22,772.18-9,429.98

Finding the Fourth Proportional to 16,503.10, 22,772.18 and 9,429.98

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Solution

The fourth proportional to 16,503.10, 22,772.18 and 9,429.98 is: 13,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.10 : 22,772.18 = 9,429.98 : x
  2. Step 2: Convert to fraction form
    16,503.10/22,772.18 = 9,429.98/x
  3. Step 3: Cross multiply
    16,503.10x = 22,772.18 × 9,429.98
  4. Step 4: Simplify right side
    16,503.10x = 214,741,201.96
  5. Step 5: Solve for x
    x = 214,741,201.96/16,503.10
  6. Step 6: Final answer
    x = 13,012.17

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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.