Home / 20,263.53-27,963.42-11,313.24

Finding the Fourth Proportional to 20,263.53, 27,963.42 and 11,313.24

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Solution

The fourth proportional to 20,263.53, 27,963.42 and 11,313.24 is: 15,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.53 : 27,963.42 = 11,313.24 : x
  2. Step 2: Convert to fraction form
    20,263.53/27,963.42 = 11,313.24/x
  3. Step 3: Cross multiply
    20,263.53x = 27,963.42 × 11,313.24
  4. Step 4: Simplify right side
    20,263.53x = 316,356,881.68
  5. Step 5: Solve for x
    x = 316,356,881.68/20,263.53
  6. Step 6: Final answer
    x = 15,612.13

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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.