Home / 15,418.16-23,100.36-7,607.60

Finding the Fourth Proportional to 15,418.16, 23,100.36 and 7,607.60

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Solution

The fourth proportional to 15,418.16, 23,100.36 and 7,607.60 is: 11,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.16 : 23,100.36 = 7,607.60 : x
  2. Step 2: Convert to fraction form
    15,418.16/23,100.36 = 7,607.60/x
  3. Step 3: Cross multiply
    15,418.16x = 23,100.36 × 7,607.60
  4. Step 4: Simplify right side
    15,418.16x = 175,738,298.74
  5. Step 5: Solve for x
    x = 175,738,298.74/15,418.16
  6. Step 6: Final answer
    x = 11,398.14

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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.