Home / 13,932.63-19,224.18-7,966.31

Finding the Fourth Proportional to 13,932.63, 19,224.18 and 7,966.31

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Solution

The fourth proportional to 13,932.63, 19,224.18 and 7,966.31 is: 10,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.63 : 19,224.18 = 7,966.31 : x
  2. Step 2: Convert to fraction form
    13,932.63/19,224.18 = 7,966.31/x
  3. Step 3: Cross multiply
    13,932.63x = 19,224.18 × 7,966.31
  4. Step 4: Simplify right side
    13,932.63x = 153,145,681.25
  5. Step 5: Solve for x
    x = 153,145,681.25/13,932.63
  6. Step 6: Final answer
    x = 10,991.87

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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.