Home / 27,501.21-37,951.65-15,564.33

Finding the Fourth Proportional to 27,501.21, 37,951.65 and 15,564.33

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Solution

The fourth proportional to 27,501.21, 37,951.65 and 15,564.33 is: 21,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,501.21 : 37,951.65 = 15,564.33 : x
  2. Step 2: Convert to fraction form
    27,501.21/37,951.65 = 15,564.33/x
  3. Step 3: Cross multiply
    27,501.21x = 37,951.65 × 15,564.33
  4. Step 4: Simplify right side
    27,501.21x = 590,692,004.64
  5. Step 5: Solve for x
    x = 590,692,004.64/27,501.21
  6. Step 6: Final answer
    x = 21,478.76

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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.