Home / 13,317.81-19,985.63-5,526.62

Finding the Fourth Proportional to 13,317.81, 19,985.63 and 5,526.62

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Solution

The fourth proportional to 13,317.81, 19,985.63 and 5,526.62 is: 8,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.81 : 19,985.63 = 5,526.62 : x
  2. Step 2: Convert to fraction form
    13,317.81/19,985.63 = 5,526.62/x
  3. Step 3: Cross multiply
    13,317.81x = 19,985.63 × 5,526.62
  4. Step 4: Simplify right side
    13,317.81x = 110,453,004.80
  5. Step 5: Solve for x
    x = 110,453,004.80/13,317.81
  6. Step 6: Final answer
    x = 8,293.63

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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.