Home / 14,304.93-19,739.22-7,931.36

Finding the Fourth Proportional to 14,304.93, 19,739.22 and 7,931.36

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Solution

The fourth proportional to 14,304.93, 19,739.22 and 7,931.36 is: 10,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.93 : 19,739.22 = 7,931.36 : x
  2. Step 2: Convert to fraction form
    14,304.93/19,739.22 = 7,931.36/x
  3. Step 3: Cross multiply
    14,304.93x = 19,739.22 × 7,931.36
  4. Step 4: Simplify right side
    14,304.93x = 156,558,761.24
  5. Step 5: Solve for x
    x = 156,558,761.24/14,304.93
  6. Step 6: Final answer
    x = 10,944.39

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1.5x scale

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.