Home / 23,208.54-34,631.36-20,409.18

Finding the Fourth Proportional to 23,208.54, 34,631.36 and 20,409.18

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Solution

The fourth proportional to 23,208.54, 34,631.36 and 20,409.18 is: 30,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.54 : 34,631.36 = 20,409.18 : x
  2. Step 2: Convert to fraction form
    23,208.54/34,631.36 = 20,409.18/x
  3. Step 3: Cross multiply
    23,208.54x = 34,631.36 × 20,409.18
  4. Step 4: Simplify right side
    23,208.54x = 706,797,557.84
  5. Step 5: Solve for x
    x = 706,797,557.84/23,208.54
  6. Step 6: Final answer
    x = 30,454.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.