Home / 13,568.24-18,725.10-7,599.80

Finding the Fourth Proportional to 13,568.24, 18,725.10 and 7,599.80

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Solution

The fourth proportional to 13,568.24, 18,725.10 and 7,599.80 is: 10,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.24 : 18,725.10 = 7,599.80 : x
  2. Step 2: Convert to fraction form
    13,568.24/18,725.10 = 7,599.80/x
  3. Step 3: Cross multiply
    13,568.24x = 18,725.10 × 7,599.80
  4. Step 4: Simplify right side
    13,568.24x = 142,307,014.98
  5. Step 5: Solve for x
    x = 142,307,014.98/13,568.24
  6. Step 6: Final answer
    x = 10,488.24

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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.