Home / 15,466.50-21,343.77-8,751.99

Finding the Fourth Proportional to 15,466.50, 21,343.77 and 8,751.99

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Solution

The fourth proportional to 15,466.50, 21,343.77 and 8,751.99 is: 12,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.50 : 21,343.77 = 8,751.99 : x
  2. Step 2: Convert to fraction form
    15,466.50/21,343.77 = 8,751.99/x
  3. Step 3: Cross multiply
    15,466.50x = 21,343.77 × 8,751.99
  4. Step 4: Simplify right side
    15,466.50x = 186,800,461.60
  5. Step 5: Solve for x
    x = 186,800,461.60/15,466.50
  6. Step 6: Final answer
    x = 12,077.75

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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.