Home / 14,746.32-20,349.18-8,372.82

Finding the Fourth Proportional to 14,746.32, 20,349.18 and 8,372.82

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Solution

The fourth proportional to 14,746.32, 20,349.18 and 8,372.82 is: 11,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.32 : 20,349.18 = 8,372.82 : x
  2. Step 2: Convert to fraction form
    14,746.32/20,349.18 = 8,372.82/x
  3. Step 3: Cross multiply
    14,746.32x = 20,349.18 × 8,372.82
  4. Step 4: Simplify right side
    14,746.32x = 170,380,021.29
  5. Step 5: Solve for x
    x = 170,380,021.29/14,746.32
  6. Step 6: Final answer
    x = 11,554.07

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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.