Home / 13,466.50-20,199.71-11,116.35

Finding the Fourth Proportional to 13,466.50, 20,199.71 and 11,116.35

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Solution

The fourth proportional to 13,466.50, 20,199.71 and 11,116.35 is: 16,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.50 : 20,199.71 = 11,116.35 : x
  2. Step 2: Convert to fraction form
    13,466.50/20,199.71 = 11,116.35/x
  3. Step 3: Cross multiply
    13,466.50x = 20,199.71 × 11,116.35
  4. Step 4: Simplify right side
    13,466.50x = 224,547,074.05
  5. Step 5: Solve for x
    x = 224,547,074.05/13,466.50
  6. Step 6: Final answer
    x = 16,674.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.