Home / 27,645.39-38,150.91-15,070.14

Finding the Fourth Proportional to 27,645.39, 38,150.91 and 15,070.14

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Solution

The fourth proportional to 27,645.39, 38,150.91 and 15,070.14 is: 20,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.39 : 38,150.91 = 15,070.14 : x
  2. Step 2: Convert to fraction form
    27,645.39/38,150.91 = 15,070.14/x
  3. Step 3: Cross multiply
    27,645.39x = 38,150.91 × 15,070.14
  4. Step 4: Simplify right side
    27,645.39x = 574,939,554.83
  5. Step 5: Solve for x
    x = 574,939,554.83/27,645.39
  6. Step 6: Final answer
    x = 20,796.94

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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.