Home / 14,340.42-19,790.64-8,052.75

Finding the Fourth Proportional to 14,340.42, 19,790.64 and 8,052.75

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Solution

The fourth proportional to 14,340.42, 19,790.64 and 8,052.75 is: 11,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.42 : 19,790.64 = 8,052.75 : x
  2. Step 2: Convert to fraction form
    14,340.42/19,790.64 = 8,052.75/x
  3. Step 3: Cross multiply
    14,340.42x = 19,790.64 × 8,052.75
  4. Step 4: Simplify right side
    14,340.42x = 159,369,076.26
  5. Step 5: Solve for x
    x = 159,369,076.26/14,340.42
  6. Step 6: Final answer
    x = 11,113.28

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Half scale
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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.