Home / 14,868.84-20,518.83-8,581.08

Finding the Fourth Proportional to 14,868.84, 20,518.83 and 8,581.08

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Solution

The fourth proportional to 14,868.84, 20,518.83 and 8,581.08 is: 11,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.84 : 20,518.83 = 8,581.08 : x
  2. Step 2: Convert to fraction form
    14,868.84/20,518.83 = 8,581.08/x
  3. Step 3: Cross multiply
    14,868.84x = 20,518.83 × 8,581.08
  4. Step 4: Simplify right side
    14,868.84x = 176,073,721.74
  5. Step 5: Solve for x
    x = 176,073,721.74/14,868.84
  6. Step 6: Final answer
    x = 11,841.79

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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.