Home / 20,893.75-31,341.53-6,102.34

Finding the Fourth Proportional to 20,893.75, 31,341.53 and 6,102.34

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Solution

The fourth proportional to 20,893.75, 31,341.53 and 6,102.34 is: 9,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.75 : 31,341.53 = 6,102.34 : x
  2. Step 2: Convert to fraction form
    20,893.75/31,341.53 = 6,102.34/x
  3. Step 3: Cross multiply
    20,893.75x = 31,341.53 × 6,102.34
  4. Step 4: Simplify right side
    20,893.75x = 191,256,609.08
  5. Step 5: Solve for x
    x = 191,256,609.08/20,893.75
  6. Step 6: Final answer
    x = 9,153.77

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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.