Home / 19,112.80-28,670.28-5,967.04

Finding the Fourth Proportional to 19,112.80, 28,670.28 and 5,967.04

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Solution

The fourth proportional to 19,112.80, 28,670.28 and 5,967.04 is: 8,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.80 : 28,670.28 = 5,967.04 : x
  2. Step 2: Convert to fraction form
    19,112.80/28,670.28 = 5,967.04/x
  3. Step 3: Cross multiply
    19,112.80x = 28,670.28 × 5,967.04
  4. Step 4: Simplify right side
    19,112.80x = 171,076,707.57
  5. Step 5: Solve for x
    x = 171,076,707.57/19,112.80
  6. Step 6: Final answer
    x = 8,950.90

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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.