Home / 15,460.20-23,190.23-6,464.45

Finding the Fourth Proportional to 15,460.20, 23,190.23 and 6,464.45

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Solution

The fourth proportional to 15,460.20, 23,190.23 and 6,464.45 is: 9,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.20 : 23,190.23 = 6,464.45 : x
  2. Step 2: Convert to fraction form
    15,460.20/23,190.23 = 6,464.45/x
  3. Step 3: Cross multiply
    15,460.20x = 23,190.23 × 6,464.45
  4. Step 4: Simplify right side
    15,460.20x = 149,912,156.46
  5. Step 5: Solve for x
    x = 149,912,156.46/15,460.20
  6. Step 6: Final answer
    x = 9,696.65

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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.