Home / 13,328.06-19,962-7,773.08

Finding the Fourth Proportional to 13,328.06, 19,962 and 7,773.08

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Solution

The fourth proportional to 13,328.06, 19,962 and 7,773.08 is: 11,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.06 : 19,962 = 7,773.08 : x
  2. Step 2: Convert to fraction form
    13,328.06/19,962 = 7,773.08/x
  3. Step 3: Cross multiply
    13,328.06x = 19,962 × 7,773.08
  4. Step 4: Simplify right side
    13,328.06x = 155,166,222.96
  5. Step 5: Solve for x
    x = 155,166,222.96/13,328.06
  6. Step 6: Final answer
    x = 11,642.07

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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.