Home / 19,451.34-29,200.14-18,659.16

Finding the Fourth Proportional to 19,451.34, 29,200.14 and 18,659.16

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Solution

The fourth proportional to 19,451.34, 29,200.14 and 18,659.16 is: 28,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.34 : 29,200.14 = 18,659.16 : x
  2. Step 2: Convert to fraction form
    19,451.34/29,200.14 = 18,659.16/x
  3. Step 3: Cross multiply
    19,451.34x = 29,200.14 × 18,659.16
  4. Step 4: Simplify right side
    19,451.34x = 544,850,084.28
  5. Step 5: Solve for x
    x = 544,850,084.28/19,451.34
  6. Step 6: Final answer
    x = 28,010.93

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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.