Home / 14,981.25-20,673.95-8,267.16

Finding the Fourth Proportional to 14,981.25, 20,673.95 and 8,267.16

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Solution

The fourth proportional to 14,981.25, 20,673.95 and 8,267.16 is: 11,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.25 : 20,673.95 = 8,267.16 : x
  2. Step 2: Convert to fraction form
    14,981.25/20,673.95 = 8,267.16/x
  3. Step 3: Cross multiply
    14,981.25x = 20,673.95 × 8,267.16
  4. Step 4: Simplify right side
    14,981.25x = 170,914,811.15
  5. Step 5: Solve for x
    x = 170,914,811.15/14,981.25
  6. Step 6: Final answer
    x = 11,408.58

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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.