Home / 15,051.02-20,770.70-8,336.45

Finding the Fourth Proportional to 15,051.02, 20,770.70 and 8,336.45

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Solution

The fourth proportional to 15,051.02, 20,770.70 and 8,336.45 is: 11,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.02 : 20,770.70 = 8,336.45 : x
  2. Step 2: Convert to fraction form
    15,051.02/20,770.70 = 8,336.45/x
  3. Step 3: Cross multiply
    15,051.02x = 20,770.70 × 8,336.45
  4. Step 4: Simplify right side
    15,051.02x = 173,153,912.26
  5. Step 5: Solve for x
    x = 173,153,912.26/15,051.02
  6. Step 6: Final answer
    x = 11,504.47

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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.