Home / 19,091.43-28,599.86-12,497.63

Finding the Fourth Proportional to 19,091.43, 28,599.86 and 12,497.63

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Solution

The fourth proportional to 19,091.43, 28,599.86 and 12,497.63 is: 18,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.43 : 28,599.86 = 12,497.63 : x
  2. Step 2: Convert to fraction form
    19,091.43/28,599.86 = 12,497.63/x
  3. Step 3: Cross multiply
    19,091.43x = 28,599.86 × 12,497.63
  4. Step 4: Simplify right side
    19,091.43x = 357,430,356.58
  5. Step 5: Solve for x
    x = 357,430,356.58/19,091.43
  6. Step 6: Final answer
    x = 18,722.03

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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.