Home / 13,503.18-18,622.27-8,467.95

Finding the Fourth Proportional to 13,503.18, 18,622.27 and 8,467.95

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Solution

The fourth proportional to 13,503.18, 18,622.27 and 8,467.95 is: 11,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.18 : 18,622.27 = 8,467.95 : x
  2. Step 2: Convert to fraction form
    13,503.18/18,622.27 = 8,467.95/x
  3. Step 3: Cross multiply
    13,503.18x = 18,622.27 × 8,467.95
  4. Step 4: Simplify right side
    13,503.18x = 157,692,451.25
  5. Step 5: Solve for x
    x = 157,692,451.25/13,503.18
  6. Step 6: Final answer
    x = 11,678.17

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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.