Home / 14,203.32-21,305.94-10,353.72

Finding the Fourth Proportional to 14,203.32, 21,305.94 and 10,353.72

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Solution

The fourth proportional to 14,203.32, 21,305.94 and 10,353.72 is: 15,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.32 : 21,305.94 = 10,353.72 : x
  2. Step 2: Convert to fraction form
    14,203.32/21,305.94 = 10,353.72/x
  3. Step 3: Cross multiply
    14,203.32x = 21,305.94 × 10,353.72
  4. Step 4: Simplify right side
    14,203.32x = 220,595,737.10
  5. Step 5: Solve for x
    x = 220,595,737.10/14,203.32
  6. Step 6: Final answer
    x = 15,531.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.