Home / 13,566.24-18,721.60-7,597.87

Finding the Fourth Proportional to 13,566.24, 18,721.60 and 7,597.87

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Solution

The fourth proportional to 13,566.24, 18,721.60 and 7,597.87 is: 10,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.24 : 18,721.60 = 7,597.87 : x
  2. Step 2: Convert to fraction form
    13,566.24/18,721.60 = 7,597.87/x
  3. Step 3: Cross multiply
    13,566.24x = 18,721.60 × 7,597.87
  4. Step 4: Simplify right side
    13,566.24x = 142,244,217.19
  5. Step 5: Solve for x
    x = 142,244,217.19/13,566.24
  6. Step 6: Final answer
    x = 10,485.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.