Home / 13,566.12-18,722.41-7,599.02

Finding the Fourth Proportional to 13,566.12, 18,722.41 and 7,599.02

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Solution

The fourth proportional to 13,566.12, 18,722.41 and 7,599.02 is: 10,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.12 : 18,722.41 = 7,599.02 : x
  2. Step 2: Convert to fraction form
    13,566.12/18,722.41 = 7,599.02/x
  3. Step 3: Cross multiply
    13,566.12x = 18,722.41 × 7,599.02
  4. Step 4: Simplify right side
    13,566.12x = 142,271,855.43
  5. Step 5: Solve for x
    x = 142,271,855.43/13,566.12
  6. Step 6: Final answer
    x = 10,487.29

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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.