Home / 36,658.56-54,988.24-11,698.40

Finding the Fourth Proportional to 36,658.56, 54,988.24 and 11,698.40

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Solution

The fourth proportional to 36,658.56, 54,988.24 and 11,698.40 is: 17,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.56 : 54,988.24 = 11,698.40 : x
  2. Step 2: Convert to fraction form
    36,658.56/54,988.24 = 11,698.40/x
  3. Step 3: Cross multiply
    36,658.56x = 54,988.24 × 11,698.40
  4. Step 4: Simplify right side
    36,658.56x = 643,274,426.82
  5. Step 5: Solve for x
    x = 643,274,426.82/36,658.56
  6. Step 6: Final answer
    x = 17,547.73

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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.