Home / 13,482.18-18,604.23-7,515.24

Finding the Fourth Proportional to 13,482.18, 18,604.23 and 7,515.24

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Solution

The fourth proportional to 13,482.18, 18,604.23 and 7,515.24 is: 10,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.18 : 18,604.23 = 7,515.24 : x
  2. Step 2: Convert to fraction form
    13,482.18/18,604.23 = 7,515.24/x
  3. Step 3: Cross multiply
    13,482.18x = 18,604.23 × 7,515.24
  4. Step 4: Simplify right side
    13,482.18x = 139,815,253.47
  5. Step 5: Solve for x
    x = 139,815,253.47/13,482.18
  6. Step 6: Final answer
    x = 10,370.37

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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.