Home / 14,445.92-21,666.96-5,678.48

Finding the Fourth Proportional to 14,445.92, 21,666.96 and 5,678.48

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Solution

The fourth proportional to 14,445.92, 21,666.96 and 5,678.48 is: 8,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.92 : 21,666.96 = 5,678.48 : x
  2. Step 2: Convert to fraction form
    14,445.92/21,666.96 = 5,678.48/x
  3. Step 3: Cross multiply
    14,445.92x = 21,666.96 × 5,678.48
  4. Step 4: Simplify right side
    14,445.92x = 123,035,399.02
  5. Step 5: Solve for x
    x = 123,035,399.02/14,445.92
  6. Step 6: Final answer
    x = 8,516.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.