Home / 17,102.74-23,615.14-13,117.54

Finding the Fourth Proportional to 17,102.74, 23,615.14 and 13,117.54

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Solution

The fourth proportional to 17,102.74, 23,615.14 and 13,117.54 is: 18,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.74 : 23,615.14 = 13,117.54 : x
  2. Step 2: Convert to fraction form
    17,102.74/23,615.14 = 13,117.54/x
  3. Step 3: Cross multiply
    17,102.74x = 23,615.14 × 13,117.54
  4. Step 4: Simplify right side
    17,102.74x = 309,772,543.56
  5. Step 5: Solve for x
    x = 309,772,543.56/17,102.74
  6. Step 6: Final answer
    x = 18,112.45

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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.