Home / 19,207.54-26,516.87-13,271.17

Finding the Fourth Proportional to 19,207.54, 26,516.87 and 13,271.17

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Solution

The fourth proportional to 19,207.54, 26,516.87 and 13,271.17 is: 18,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.54 : 26,516.87 = 13,271.17 : x
  2. Step 2: Convert to fraction form
    19,207.54/26,516.87 = 13,271.17/x
  3. Step 3: Cross multiply
    19,207.54x = 26,516.87 × 13,271.17
  4. Step 4: Simplify right side
    19,207.54x = 351,909,889.64
  5. Step 5: Solve for x
    x = 351,909,889.64/19,207.54
  6. Step 6: Final answer
    x = 18,321.45

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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.