Home / 27,649.32-38,156.04-15,074.07

Finding the Fourth Proportional to 27,649.32, 38,156.04 and 15,074.07

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Solution

The fourth proportional to 27,649.32, 38,156.04 and 15,074.07 is: 20,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.32 : 38,156.04 = 15,074.07 : x
  2. Step 2: Convert to fraction form
    27,649.32/38,156.04 = 15,074.07/x
  3. Step 3: Cross multiply
    27,649.32x = 38,156.04 × 15,074.07
  4. Step 4: Simplify right side
    27,649.32x = 575,166,817.88
  5. Step 5: Solve for x
    x = 575,166,817.88/27,649.32
  6. Step 6: Final answer
    x = 20,802.20

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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.