Home / 14,746.15-20,349.48-8,372.69

Finding the Fourth Proportional to 14,746.15, 20,349.48 and 8,372.69

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Solution

The fourth proportional to 14,746.15, 20,349.48 and 8,372.69 is: 11,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.15 : 20,349.48 = 8,372.69 : x
  2. Step 2: Convert to fraction form
    14,746.15/20,349.48 = 8,372.69/x
  3. Step 3: Cross multiply
    14,746.15x = 20,349.48 × 8,372.69
  4. Step 4: Simplify right side
    14,746.15x = 170,379,887.70
  5. Step 5: Solve for x
    x = 170,379,887.70/14,746.15
  6. Step 6: Final answer
    x = 11,554.19

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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.