Home / 13,940.16-19,237.68-7,652.76

Finding the Fourth Proportional to 13,940.16, 19,237.68 and 7,652.76

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Solution

The fourth proportional to 13,940.16, 19,237.68 and 7,652.76 is: 10,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.16 : 19,237.68 = 7,652.76 : x
  2. Step 2: Convert to fraction form
    13,940.16/19,237.68 = 7,652.76/x
  3. Step 3: Cross multiply
    13,940.16x = 19,237.68 × 7,652.76
  4. Step 4: Simplify right side
    13,940.16x = 147,221,348.00
  5. Step 5: Solve for x
    x = 147,221,348.00/13,940.16
  6. Step 6: Final answer
    x = 10,560.95

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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.