Home / 19,200.56-26,501.14-12,474.48

Finding the Fourth Proportional to 19,200.56, 26,501.14 and 12,474.48

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Solution

The fourth proportional to 19,200.56, 26,501.14 and 12,474.48 is: 17,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.56 : 26,501.14 = 12,474.48 : x
  2. Step 2: Convert to fraction form
    19,200.56/26,501.14 = 12,474.48/x
  3. Step 3: Cross multiply
    19,200.56x = 26,501.14 × 12,474.48
  4. Step 4: Simplify right side
    19,200.56x = 330,587,940.91
  5. Step 5: Solve for x
    x = 330,587,940.91/19,200.56
  6. Step 6: Final answer
    x = 17,217.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.