Home / 15,467.13-21,353.52-10,757.79

Finding the Fourth Proportional to 15,467.13, 21,353.52 and 10,757.79

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Solution

The fourth proportional to 15,467.13, 21,353.52 and 10,757.79 is: 14,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.13 : 21,353.52 = 10,757.79 : x
  2. Step 2: Convert to fraction form
    15,467.13/21,353.52 = 10,757.79/x
  3. Step 3: Cross multiply
    15,467.13x = 21,353.52 × 10,757.79
  4. Step 4: Simplify right side
    15,467.13x = 229,716,683.92
  5. Step 5: Solve for x
    x = 229,716,683.92/15,467.13
  6. Step 6: Final answer
    x = 14,851.93

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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.