Home / 13,018.18-19,523.23-4,697.12

Finding the Fourth Proportional to 13,018.18, 19,523.23 and 4,697.12

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Solution

The fourth proportional to 13,018.18, 19,523.23 and 4,697.12 is: 7,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.18 : 19,523.23 = 4,697.12 : x
  2. Step 2: Convert to fraction form
    13,018.18/19,523.23 = 4,697.12/x
  3. Step 3: Cross multiply
    13,018.18x = 19,523.23 × 4,697.12
  4. Step 4: Simplify right side
    13,018.18x = 91,702,844.74
  5. Step 5: Solve for x
    x = 91,702,844.74/13,018.18
  6. Step 6: Final answer
    x = 7,044.22

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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.