Home / 15,460.08-23,172.16-7,122.60

Finding the Fourth Proportional to 15,460.08, 23,172.16 and 7,122.60

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Solution

The fourth proportional to 15,460.08, 23,172.16 and 7,122.60 is: 10,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.08 : 23,172.16 = 7,122.60 : x
  2. Step 2: Convert to fraction form
    15,460.08/23,172.16 = 7,122.60/x
  3. Step 3: Cross multiply
    15,460.08x = 23,172.16 × 7,122.60
  4. Step 4: Simplify right side
    15,460.08x = 165,046,026.82
  5. Step 5: Solve for x
    x = 165,046,026.82/15,460.08
  6. Step 6: Final answer
    x = 10,675.63

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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.