Home / 18,707.37-28,054.90-6,223.96

Finding the Fourth Proportional to 18,707.37, 28,054.90 and 6,223.96

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Solution

The fourth proportional to 18,707.37, 28,054.90 and 6,223.96 is: 9,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.37 : 28,054.90 = 6,223.96 : x
  2. Step 2: Convert to fraction form
    18,707.37/28,054.90 = 6,223.96/x
  3. Step 3: Cross multiply
    18,707.37x = 28,054.90 × 6,223.96
  4. Step 4: Simplify right side
    18,707.37x = 174,612,575.40
  5. Step 5: Solve for x
    x = 174,612,575.40/18,707.37
  6. Step 6: Final answer
    x = 9,333.89

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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.