Home / 19,122.67-26,324.66-15,760.16

Finding the Fourth Proportional to 19,122.67, 26,324.66 and 15,760.16

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Solution

The fourth proportional to 19,122.67, 26,324.66 and 15,760.16 is: 21,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.67 : 26,324.66 = 15,760.16 : x
  2. Step 2: Convert to fraction form
    19,122.67/26,324.66 = 15,760.16/x
  3. Step 3: Cross multiply
    19,122.67x = 26,324.66 × 15,760.16
  4. Step 4: Simplify right side
    19,122.67x = 414,880,853.55
  5. Step 5: Solve for x
    x = 414,880,853.55/19,122.67
  6. Step 6: Final answer
    x = 21,695.76

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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.