Home / 13,901.54-19,182.32-7,932.84

Finding the Fourth Proportional to 13,901.54, 19,182.32 and 7,932.84

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Solution

The fourth proportional to 13,901.54, 19,182.32 and 7,932.84 is: 10,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.54 : 19,182.32 = 7,932.84 : x
  2. Step 2: Convert to fraction form
    13,901.54/19,182.32 = 7,932.84/x
  3. Step 3: Cross multiply
    13,901.54x = 19,182.32 × 7,932.84
  4. Step 4: Simplify right side
    13,901.54x = 152,170,235.72
  5. Step 5: Solve for x
    x = 152,170,235.72/13,901.54
  6. Step 6: Final answer
    x = 10,946.29

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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.