Home / 15,409.66-23,117.97-4,880.32

Finding the Fourth Proportional to 15,409.66, 23,117.97 and 4,880.32

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Solution

The fourth proportional to 15,409.66, 23,117.97 and 4,880.32 is: 7,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.66 : 23,117.97 = 4,880.32 : x
  2. Step 2: Convert to fraction form
    15,409.66/23,117.97 = 4,880.32/x
  3. Step 3: Cross multiply
    15,409.66x = 23,117.97 × 4,880.32
  4. Step 4: Simplify right side
    15,409.66x = 112,823,091.35
  5. Step 5: Solve for x
    x = 112,823,091.35/15,409.66
  6. Step 6: Final answer
    x = 7,321.58

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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.