Home / 13,864.44-19,132.90-7,896.11

Finding the Fourth Proportional to 13,864.44, 19,132.90 and 7,896.11

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Solution

The fourth proportional to 13,864.44, 19,132.90 and 7,896.11 is: 10,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.44 : 19,132.90 = 7,896.11 : x
  2. Step 2: Convert to fraction form
    13,864.44/19,132.90 = 7,896.11/x
  3. Step 3: Cross multiply
    13,864.44x = 19,132.90 × 7,896.11
  4. Step 4: Simplify right side
    13,864.44x = 151,075,483.02
  5. Step 5: Solve for x
    x = 151,075,483.02/13,864.44
  6. Step 6: Final answer
    x = 10,896.62

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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.