Home / 14,029.56-19,358.10-8,440.92

Finding the Fourth Proportional to 14,029.56, 19,358.10 and 8,440.92

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Solution

The fourth proportional to 14,029.56, 19,358.10 and 8,440.92 is: 11,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.56 : 19,358.10 = 8,440.92 : x
  2. Step 2: Convert to fraction form
    14,029.56/19,358.10 = 8,440.92/x
  3. Step 3: Cross multiply
    14,029.56x = 19,358.10 × 8,440.92
  4. Step 4: Simplify right side
    14,029.56x = 163,400,173.45
  5. Step 5: Solve for x
    x = 163,400,173.45/14,029.56
  6. Step 6: Final answer
    x = 11,646.85

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Double 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.