Home / 18,707.46-28,051.82-6,223.13

Finding the Fourth Proportional to 18,707.46, 28,051.82 and 6,223.13

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Solution

The fourth proportional to 18,707.46, 28,051.82 and 6,223.13 is: 9,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.46 : 28,051.82 = 6,223.13 : x
  2. Step 2: Convert to fraction form
    18,707.46/28,051.82 = 6,223.13/x
  3. Step 3: Cross multiply
    18,707.46x = 28,051.82 × 6,223.13
  4. Step 4: Simplify right side
    18,707.46x = 174,570,079.75
  5. Step 5: Solve for x
    x = 174,570,079.75/18,707.46
  6. Step 6: Final answer
    x = 9,331.58

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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.