Home / 13,566.65-18,721.87-7,598.36

Finding the Fourth Proportional to 13,566.65, 18,721.87 and 7,598.36

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Solution

The fourth proportional to 13,566.65, 18,721.87 and 7,598.36 is: 10,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.65 : 18,721.87 = 7,598.36 : x
  2. Step 2: Convert to fraction form
    13,566.65/18,721.87 = 7,598.36/x
  3. Step 3: Cross multiply
    13,566.65x = 18,721.87 × 7,598.36
  4. Step 4: Simplify right side
    13,566.65x = 142,255,535.94
  5. Step 5: Solve for x
    x = 142,255,535.94/13,566.65
  6. Step 6: Final answer
    x = 10,485.68

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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.