Home / 14,880.74-20,535.39-8,166.35

Finding the Fourth Proportional to 14,880.74, 20,535.39 and 8,166.35

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Solution

The fourth proportional to 14,880.74, 20,535.39 and 8,166.35 is: 11,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.74 : 20,535.39 = 8,166.35 : x
  2. Step 2: Convert to fraction form
    14,880.74/20,535.39 = 8,166.35/x
  3. Step 3: Cross multiply
    14,880.74x = 20,535.39 × 8,166.35
  4. Step 4: Simplify right side
    14,880.74x = 167,699,233.46
  5. Step 5: Solve for x
    x = 167,699,233.46/14,880.74
  6. Step 6: Final answer
    x = 11,269.55

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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.