Home / 15,937.34-21,955.46-11,148.34

Finding the Fourth Proportional to 15,937.34, 21,955.46 and 11,148.34

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Solution

The fourth proportional to 15,937.34, 21,955.46 and 11,148.34 is: 15,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.34 : 21,955.46 = 11,148.34 : x
  2. Step 2: Convert to fraction form
    15,937.34/21,955.46 = 11,148.34/x
  3. Step 3: Cross multiply
    15,937.34x = 21,955.46 × 11,148.34
  4. Step 4: Simplify right side
    15,937.34x = 244,766,932.94
  5. Step 5: Solve for x
    x = 244,766,932.94/15,937.34
  6. Step 6: Final answer
    x = 15,358.08

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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.