Home / 19,922.76-27,493.21-10,970.09

Finding the Fourth Proportional to 19,922.76, 27,493.21 and 10,970.09

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Solution

The fourth proportional to 19,922.76, 27,493.21 and 10,970.09 is: 15,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.76 : 27,493.21 = 10,970.09 : x
  2. Step 2: Convert to fraction form
    19,922.76/27,493.21 = 10,970.09/x
  3. Step 3: Cross multiply
    19,922.76x = 27,493.21 × 10,970.09
  4. Step 4: Simplify right side
    19,922.76x = 301,602,988.09
  5. Step 5: Solve for x
    x = 301,602,988.09/19,922.76
  6. Step 6: Final answer
    x = 15,138.61

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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.