Home / 27,669.75-38,184.39-15,094.50

Finding the Fourth Proportional to 27,669.75, 38,184.39 and 15,094.50

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Solution

The fourth proportional to 27,669.75, 38,184.39 and 15,094.50 is: 20,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.75 : 38,184.39 = 15,094.50 : x
  2. Step 2: Convert to fraction form
    27,669.75/38,184.39 = 15,094.50/x
  3. Step 3: Cross multiply
    27,669.75x = 38,184.39 × 15,094.50
  4. Step 4: Simplify right side
    27,669.75x = 576,374,274.86
  5. Step 5: Solve for x
    x = 576,374,274.86/27,669.75
  6. Step 6: Final answer
    x = 20,830.48

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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.