Home / 13,444.89-18,553.05-7,476.36

Finding the Fourth Proportional to 13,444.89, 18,553.05 and 7,476.36

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Solution

The fourth proportional to 13,444.89, 18,553.05 and 7,476.36 is: 10,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.89 : 18,553.05 = 7,476.36 : x
  2. Step 2: Convert to fraction form
    13,444.89/18,553.05 = 7,476.36/x
  3. Step 3: Cross multiply
    13,444.89x = 18,553.05 × 7,476.36
  4. Step 4: Simplify right side
    13,444.89x = 138,709,280.90
  5. Step 5: Solve for x
    x = 138,709,280.90/13,444.89
  6. Step 6: Final answer
    x = 10,316.88

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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.