Home / 21,367.36-32,048.56-5,786.16

Finding the Fourth Proportional to 21,367.36, 32,048.56 and 5,786.16

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Solution

The fourth proportional to 21,367.36, 32,048.56 and 5,786.16 is: 8,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.36 : 32,048.56 = 5,786.16 : x
  2. Step 2: Convert to fraction form
    21,367.36/32,048.56 = 5,786.16/x
  3. Step 3: Cross multiply
    21,367.36x = 32,048.56 × 5,786.16
  4. Step 4: Simplify right side
    21,367.36x = 185,438,095.93
  5. Step 5: Solve for x
    x = 185,438,095.93/21,367.36
  6. Step 6: Final answer
    x = 8,678.57

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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.