Home / 19,215.42-26,516.07-10,718.79

Finding the Fourth Proportional to 19,215.42, 26,516.07 and 10,718.79

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Solution

The fourth proportional to 19,215.42, 26,516.07 and 10,718.79 is: 14,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.42 : 26,516.07 = 10,718.79 : x
  2. Step 2: Convert to fraction form
    19,215.42/26,516.07 = 10,718.79/x
  3. Step 3: Cross multiply
    19,215.42x = 26,516.07 × 10,718.79
  4. Step 4: Simplify right side
    19,215.42x = 284,220,185.96
  5. Step 5: Solve for x
    x = 284,220,185.96/19,215.42
  6. Step 6: Final answer
    x = 14,791.26

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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.