Home / 13,159.93-19,750.37-6,923.58

Finding the Fourth Proportional to 13,159.93, 19,750.37 and 6,923.58

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Solution

The fourth proportional to 13,159.93, 19,750.37 and 6,923.58 is: 10,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.93 : 19,750.37 = 6,923.58 : x
  2. Step 2: Convert to fraction form
    13,159.93/19,750.37 = 6,923.58/x
  3. Step 3: Cross multiply
    13,159.93x = 19,750.37 × 6,923.58
  4. Step 4: Simplify right side
    13,159.93x = 136,743,266.72
  5. Step 5: Solve for x
    x = 136,743,266.72/13,159.93
  6. Step 6: Final answer
    x = 10,390.88

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1.5x scale

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.