Home / 32,905.17-45,397.26-18,749.79

Finding the Fourth Proportional to 32,905.17, 45,397.26 and 18,749.79

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Solution

The fourth proportional to 32,905.17, 45,397.26 and 18,749.79 is: 25,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.17 : 45,397.26 = 18,749.79 : x
  2. Step 2: Convert to fraction form
    32,905.17/45,397.26 = 18,749.79/x
  3. Step 3: Cross multiply
    32,905.17x = 45,397.26 × 18,749.79
  4. Step 4: Simplify right side
    32,905.17x = 851,189,091.58
  5. Step 5: Solve for x
    x = 851,189,091.58/32,905.17
  6. Step 6: Final answer
    x = 25,867.94

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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.