Home / 17,140.55-25,708.16-6,615.50

Finding the Fourth Proportional to 17,140.55, 25,708.16 and 6,615.50

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Solution

The fourth proportional to 17,140.55, 25,708.16 and 6,615.50 is: 9,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.55 : 25,708.16 = 6,615.50 : x
  2. Step 2: Convert to fraction form
    17,140.55/25,708.16 = 6,615.50/x
  3. Step 3: Cross multiply
    17,140.55x = 25,708.16 × 6,615.50
  4. Step 4: Simplify right side
    17,140.55x = 170,072,220.48
  5. Step 5: Solve for x
    x = 170,072,220.48/17,140.55
  6. Step 6: Final answer
    x = 9,922.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.