Home / 14,709.74-20,296.37-8,739.23

Finding the Fourth Proportional to 14,709.74, 20,296.37 and 8,739.23

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Solution

The fourth proportional to 14,709.74, 20,296.37 and 8,739.23 is: 12,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.74 : 20,296.37 = 8,739.23 : x
  2. Step 2: Convert to fraction form
    14,709.74/20,296.37 = 8,739.23/x
  3. Step 3: Cross multiply
    14,709.74x = 20,296.37 × 8,739.23
  4. Step 4: Simplify right side
    14,709.74x = 177,374,565.96
  5. Step 5: Solve for x
    x = 177,374,565.96/14,709.74
  6. Step 6: Final answer
    x = 12,058.31

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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.