Home / 19,319.72-28,892.09-19,079.15

Finding the Fourth Proportional to 19,319.72, 28,892.09 and 19,079.15

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Solution

The fourth proportional to 19,319.72, 28,892.09 and 19,079.15 is: 28,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.72 : 28,892.09 = 19,079.15 : x
  2. Step 2: Convert to fraction form
    19,319.72/28,892.09 = 19,079.15/x
  3. Step 3: Cross multiply
    19,319.72x = 28,892.09 × 19,079.15
  4. Step 4: Simplify right side
    19,319.72x = 551,236,422.16
  5. Step 5: Solve for x
    x = 551,236,422.16/19,319.72
  6. Step 6: Final answer
    x = 28,532.33

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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.