Home / 14,850.79-20,486.66-8,880.89

Finding the Fourth Proportional to 14,850.79, 20,486.66 and 8,880.89

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Solution

The fourth proportional to 14,850.79, 20,486.66 and 8,880.89 is: 12,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850.79 : 20,486.66 = 8,880.89 : x
  2. Step 2: Convert to fraction form
    14,850.79/20,486.66 = 8,880.89/x
  3. Step 3: Cross multiply
    14,850.79x = 20,486.66 × 8,880.89
  4. Step 4: Simplify right side
    14,850.79x = 181,939,744.91
  5. Step 5: Solve for x
    x = 181,939,744.91/14,850.79
  6. Step 6: Final answer
    x = 12,251.18

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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.