Home / 27,313.66-37,703.42-21,347.25

Finding the Fourth Proportional to 27,313.66, 37,703.42 and 21,347.25

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Solution

The fourth proportional to 27,313.66, 37,703.42 and 21,347.25 is: 29,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.66 : 37,703.42 = 21,347.25 : x
  2. Step 2: Convert to fraction form
    27,313.66/37,703.42 = 21,347.25/x
  3. Step 3: Cross multiply
    27,313.66x = 37,703.42 × 21,347.25
  4. Step 4: Simplify right side
    27,313.66x = 804,864,284.60
  5. Step 5: Solve for x
    x = 804,864,284.60/27,313.66
  6. Step 6: Final answer
    x = 29,467.47

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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.