Home / 14,664.85-20,235.56-8,292.31

Finding the Fourth Proportional to 14,664.85, 20,235.56 and 8,292.31

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Solution

The fourth proportional to 14,664.85, 20,235.56 and 8,292.31 is: 11,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.85 : 20,235.56 = 8,292.31 : x
  2. Step 2: Convert to fraction form
    14,664.85/20,235.56 = 8,292.31/x
  3. Step 3: Cross multiply
    14,664.85x = 20,235.56 × 8,292.31
  4. Step 4: Simplify right side
    14,664.85x = 167,799,444.49
  5. Step 5: Solve for x
    x = 167,799,444.49/14,664.85
  6. Step 6: Final answer
    x = 11,442.29

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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.