Home / 19,922.91-27,493.88-10,970.39

Finding the Fourth Proportional to 19,922.91, 27,493.88 and 10,970.39

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Solution

The fourth proportional to 19,922.91, 27,493.88 and 10,970.39 is: 15,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.91 : 27,493.88 = 10,970.39 : x
  2. Step 2: Convert to fraction form
    19,922.91/27,493.88 = 10,970.39/x
  3. Step 3: Cross multiply
    19,922.91x = 27,493.88 × 10,970.39
  4. Step 4: Simplify right side
    19,922.91x = 301,618,586.21
  5. Step 5: Solve for x
    x = 301,618,586.21/19,922.91
  6. Step 6: Final answer
    x = 15,139.28

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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.