Home / 14,981.69-20,674.51-8,267.16

Finding the Fourth Proportional to 14,981.69, 20,674.51 and 8,267.16

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Solution

The fourth proportional to 14,981.69, 20,674.51 and 8,267.16 is: 11,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.69 : 20,674.51 = 8,267.16 : x
  2. Step 2: Convert to fraction form
    14,981.69/20,674.51 = 8,267.16/x
  3. Step 3: Cross multiply
    14,981.69x = 20,674.51 × 8,267.16
  4. Step 4: Simplify right side
    14,981.69x = 170,919,538.95
  5. Step 5: Solve for x
    x = 170,919,538.95/14,981.69
  6. Step 6: Final answer
    x = 11,408.56

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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.