Home / 14,163.32-19,545.32-7,875.69

Finding the Fourth Proportional to 14,163.32, 19,545.32 and 7,875.69

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Solution

The fourth proportional to 14,163.32, 19,545.32 and 7,875.69 is: 10,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.32 : 19,545.32 = 7,875.69 : x
  2. Step 2: Convert to fraction form
    14,163.32/19,545.32 = 7,875.69/x
  3. Step 3: Cross multiply
    14,163.32x = 19,545.32 × 7,875.69
  4. Step 4: Simplify right side
    14,163.32x = 153,932,900.96
  5. Step 5: Solve for x
    x = 153,932,900.96/14,163.32
  6. Step 6: Final answer
    x = 10,868.42

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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.