Home / 27,650.07-38,157-15,074.82

Finding the Fourth Proportional to 27,650.07, 38,157 and 15,074.82

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Solution

The fourth proportional to 27,650.07, 38,157 and 15,074.82 is: 20,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.07 : 38,157 = 15,074.82 : x
  2. Step 2: Convert to fraction form
    27,650.07/38,157 = 15,074.82/x
  3. Step 3: Cross multiply
    27,650.07x = 38,157 × 15,074.82
  4. Step 4: Simplify right side
    27,650.07x = 575,209,906.74
  5. Step 5: Solve for x
    x = 575,209,906.74/27,650.07
  6. Step 6: Final answer
    x = 20,803.20

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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.