Home / 12,623.48-18,935.54-5,225.95

Finding the Fourth Proportional to 12,623.48, 18,935.54 and 5,225.95

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Solution

The fourth proportional to 12,623.48, 18,935.54 and 5,225.95 is: 7,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.48 : 18,935.54 = 5,225.95 : x
  2. Step 2: Convert to fraction form
    12,623.48/18,935.54 = 5,225.95/x
  3. Step 3: Cross multiply
    12,623.48x = 18,935.54 × 5,225.95
  4. Step 4: Simplify right side
    12,623.48x = 98,956,202.40
  5. Step 5: Solve for x
    x = 98,956,202.40/12,623.48
  6. Step 6: Final answer
    x = 7,839.06

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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.