Home / 13,154.49-19,724.40-5,354.19

Finding the Fourth Proportional to 13,154.49, 19,724.40 and 5,354.19

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Solution

The fourth proportional to 13,154.49, 19,724.40 and 5,354.19 is: 8,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.49 : 19,724.40 = 5,354.19 : x
  2. Step 2: Convert to fraction form
    13,154.49/19,724.40 = 5,354.19/x
  3. Step 3: Cross multiply
    13,154.49x = 19,724.40 × 5,354.19
  4. Step 4: Simplify right side
    13,154.49x = 105,608,185.24
  5. Step 5: Solve for x
    x = 105,608,185.24/13,154.49
  6. Step 6: Final answer
    x = 8,028.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.