Home / 35,721.12-53,522.64-12,334.56

Finding the Fourth Proportional to 35,721.12, 53,522.64 and 12,334.56

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Solution

The fourth proportional to 35,721.12, 53,522.64 and 12,334.56 is: 18,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.12 : 53,522.64 = 12,334.56 : x
  2. Step 2: Convert to fraction form
    35,721.12/53,522.64 = 12,334.56/x
  3. Step 3: Cross multiply
    35,721.12x = 53,522.64 × 12,334.56
  4. Step 4: Simplify right side
    35,721.12x = 660,178,214.44
  5. Step 5: Solve for x
    x = 660,178,214.44/35,721.12
  6. Step 6: Final answer
    x = 18,481.45

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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.