Home / 14,345.31-19,798.39-8,057.69

Finding the Fourth Proportional to 14,345.31, 19,798.39 and 8,057.69

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Solution

The fourth proportional to 14,345.31, 19,798.39 and 8,057.69 is: 11,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.31 : 19,798.39 = 8,057.69 : x
  2. Step 2: Convert to fraction form
    14,345.31/19,798.39 = 8,057.69/x
  3. Step 3: Cross multiply
    14,345.31x = 19,798.39 × 8,057.69
  4. Step 4: Simplify right side
    14,345.31x = 159,529,289.12
  5. Step 5: Solve for x
    x = 159,529,289.12/14,345.31
  6. Step 6: Final answer
    x = 11,120.66

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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.