Home / 19,937.08-29,905.56-9,403.60

Finding the Fourth Proportional to 19,937.08, 29,905.56 and 9,403.60

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Solution

The fourth proportional to 19,937.08, 29,905.56 and 9,403.60 is: 14,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.08 : 29,905.56 = 9,403.60 : x
  2. Step 2: Convert to fraction form
    19,937.08/29,905.56 = 9,403.60/x
  3. Step 3: Cross multiply
    19,937.08x = 29,905.56 × 9,403.60
  4. Step 4: Simplify right side
    19,937.08x = 281,219,924.02
  5. Step 5: Solve for x
    x = 281,219,924.02/19,937.08
  6. Step 6: Final answer
    x = 14,105.37

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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.