Home / 27,123.22-37,430.74-15,189.08

Finding the Fourth Proportional to 27,123.22, 37,430.74 and 15,189.08

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Solution

The fourth proportional to 27,123.22, 37,430.74 and 15,189.08 is: 20,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.22 : 37,430.74 = 15,189.08 : x
  2. Step 2: Convert to fraction form
    27,123.22/37,430.74 = 15,189.08/x
  3. Step 3: Cross multiply
    27,123.22x = 37,430.74 × 15,189.08
  4. Step 4: Simplify right side
    27,123.22x = 568,538,504.32
  5. Step 5: Solve for x
    x = 568,538,504.32/27,123.22
  6. Step 6: Final answer
    x = 20,961.32

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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.