Home / 14,748.30-20,366.16-9,372.48

Finding the Fourth Proportional to 14,748.30, 20,366.16 and 9,372.48

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Solution

The fourth proportional to 14,748.30, 20,366.16 and 9,372.48 is: 12,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.30 : 20,366.16 = 9,372.48 : x
  2. Step 2: Convert to fraction form
    14,748.30/20,366.16 = 9,372.48/x
  3. Step 3: Cross multiply
    14,748.30x = 20,366.16 × 9,372.48
  4. Step 4: Simplify right side
    14,748.30x = 190,881,427.28
  5. Step 5: Solve for x
    x = 190,881,427.28/14,748.30
  6. Step 6: Final answer
    x = 12,942.61

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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.