Home / 15,857.36-23,777.56-15,175.76

Finding the Fourth Proportional to 15,857.36, 23,777.56 and 15,175.76

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Solution

The fourth proportional to 15,857.36, 23,777.56 and 15,175.76 is: 22,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.36 : 23,777.56 = 15,175.76 : x
  2. Step 2: Convert to fraction form
    15,857.36/23,777.56 = 15,175.76/x
  3. Step 3: Cross multiply
    15,857.36x = 23,777.56 × 15,175.76
  4. Step 4: Simplify right side
    15,857.36x = 360,842,543.95
  5. Step 5: Solve for x
    x = 360,842,543.95/15,857.36
  6. Step 6: Final answer
    x = 22,755.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.