Home / 15,716.32-21,698.08-10,934.48

Finding the Fourth Proportional to 15,716.32, 21,698.08 and 10,934.48

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Solution

The fourth proportional to 15,716.32, 21,698.08 and 10,934.48 is: 15,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.32 : 21,698.08 = 10,934.48 : x
  2. Step 2: Convert to fraction form
    15,716.32/21,698.08 = 10,934.48/x
  3. Step 3: Cross multiply
    15,716.32x = 21,698.08 × 10,934.48
  4. Step 4: Simplify right side
    15,716.32x = 237,257,221.80
  5. Step 5: Solve for x
    x = 237,257,221.80/15,716.32
  6. Step 6: Final answer
    x = 15,096.23

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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.