Home / 13,467.45-18,584.80-7,498.77

Finding the Fourth Proportional to 13,467.45, 18,584.80 and 7,498.77

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Solution

The fourth proportional to 13,467.45, 18,584.80 and 7,498.77 is: 10,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.45 : 18,584.80 = 7,498.77 : x
  2. Step 2: Convert to fraction form
    13,467.45/18,584.80 = 7,498.77/x
  3. Step 3: Cross multiply
    13,467.45x = 18,584.80 × 7,498.77
  4. Step 4: Simplify right side
    13,467.45x = 139,363,140.70
  5. Step 5: Solve for x
    x = 139,363,140.70/13,467.45
  6. Step 6: Final answer
    x = 10,348.15

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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.