Home / 34,665.15-47,837.78-18,749.60

Finding the Fourth Proportional to 34,665.15, 47,837.78 and 18,749.60

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Solution

The fourth proportional to 34,665.15, 47,837.78 and 18,749.60 is: 25,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.15 : 47,837.78 = 18,749.60 : x
  2. Step 2: Convert to fraction form
    34,665.15/47,837.78 = 18,749.60/x
  3. Step 3: Cross multiply
    34,665.15x = 47,837.78 × 18,749.60
  4. Step 4: Simplify right side
    34,665.15x = 896,938,962.11
  5. Step 5: Solve for x
    x = 896,938,962.11/34,665.15
  6. Step 6: Final answer
    x = 25,874.37

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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.