Home / 13,279.05-19,923.19-5,888.70

Finding the Fourth Proportional to 13,279.05, 19,923.19 and 5,888.70

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Solution

The fourth proportional to 13,279.05, 19,923.19 and 5,888.70 is: 8,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.05 : 19,923.19 = 5,888.70 : x
  2. Step 2: Convert to fraction form
    13,279.05/19,923.19 = 5,888.70/x
  3. Step 3: Cross multiply
    13,279.05x = 19,923.19 × 5,888.70
  4. Step 4: Simplify right side
    13,279.05x = 117,321,674.23
  5. Step 5: Solve for x
    x = 117,321,674.23/13,279.05
  6. Step 6: Final answer
    x = 8,835.10

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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.