Home / 20,893.16-31,341.80-6,102.24

Finding the Fourth Proportional to 20,893.16, 31,341.80 and 6,102.24

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Solution

The fourth proportional to 20,893.16, 31,341.80 and 6,102.24 is: 9,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.16 : 31,341.80 = 6,102.24 : x
  2. Step 2: Convert to fraction form
    20,893.16/31,341.80 = 6,102.24/x
  3. Step 3: Cross multiply
    20,893.16x = 31,341.80 × 6,102.24
  4. Step 4: Simplify right side
    20,893.16x = 191,255,185.63
  5. Step 5: Solve for x
    x = 191,255,185.63/20,893.16
  6. Step 6: Final answer
    x = 9,153.96

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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.