Home / 53,018.62-79,526.10-13,576.08

Finding the Fourth Proportional to 53,018.62, 79,526.10 and 13,576.08

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Solution

The fourth proportional to 53,018.62, 79,526.10 and 13,576.08 is: 20,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.62 : 79,526.10 = 13,576.08 : x
  2. Step 2: Convert to fraction form
    53,018.62/79,526.10 = 13,576.08/x
  3. Step 3: Cross multiply
    53,018.62x = 79,526.10 × 13,576.08
  4. Step 4: Simplify right side
    53,018.62x = 1,079,652,695.69
  5. Step 5: Solve for x
    x = 1,079,652,695.69/53,018.62
  6. Step 6: Final answer
    x = 20,363.65

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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.