Home / 27,675.64-38,204.75-18,750.25

Finding the Fourth Proportional to 27,675.64, 38,204.75 and 18,750.25

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Solution

The fourth proportional to 27,675.64, 38,204.75 and 18,750.25 is: 25,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.64 : 38,204.75 = 18,750.25 : x
  2. Step 2: Convert to fraction form
    27,675.64/38,204.75 = 18,750.25/x
  3. Step 3: Cross multiply
    27,675.64x = 38,204.75 × 18,750.25
  4. Step 4: Simplify right side
    27,675.64x = 716,348,613.69
  5. Step 5: Solve for x
    x = 716,348,613.69/27,675.64
  6. Step 6: Final answer
    x = 25,883.72

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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.