Home / 35,475.07-53,213.97-13,286.15

Finding the Fourth Proportional to 35,475.07, 53,213.97 and 13,286.15

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Solution

The fourth proportional to 35,475.07, 53,213.97 and 13,286.15 is: 19,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.07 : 53,213.97 = 13,286.15 : x
  2. Step 2: Convert to fraction form
    35,475.07/53,213.97 = 13,286.15/x
  3. Step 3: Cross multiply
    35,475.07x = 53,213.97 × 13,286.15
  4. Step 4: Simplify right side
    35,475.07x = 707,008,787.52
  5. Step 5: Solve for x
    x = 707,008,787.52/35,475.07
  6. Step 6: Final answer
    x = 19,929.74

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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.