Home / 17,580.15-24,271.94-15,688.49

Finding the Fourth Proportional to 17,580.15, 24,271.94 and 15,688.49

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Solution

The fourth proportional to 17,580.15, 24,271.94 and 15,688.49 is: 21,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.15 : 24,271.94 = 15,688.49 : x
  2. Step 2: Convert to fraction form
    17,580.15/24,271.94 = 15,688.49/x
  3. Step 3: Cross multiply
    17,580.15x = 24,271.94 × 15,688.49
  4. Step 4: Simplify right side
    17,580.15x = 380,790,087.97
  5. Step 5: Solve for x
    x = 380,790,087.97/17,580.15
  6. Step 6: Final answer
    x = 21,660.23

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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.