Home / 13,159.02-19,743.80-5,366.02

Finding the Fourth Proportional to 13,159.02, 19,743.80 and 5,366.02

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Solution

The fourth proportional to 13,159.02, 19,743.80 and 5,366.02 is: 8,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.02 : 19,743.80 = 5,366.02 : x
  2. Step 2: Convert to fraction form
    13,159.02/19,743.80 = 5,366.02/x
  3. Step 3: Cross multiply
    13,159.02x = 19,743.80 × 5,366.02
  4. Step 4: Simplify right side
    13,159.02x = 105,945,625.68
  5. Step 5: Solve for x
    x = 105,945,625.68/13,159.02
  6. Step 6: Final answer
    x = 8,051.18

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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.