Home / 23,427.28-35,135.40-8,628.16

Finding the Fourth Proportional to 23,427.28, 35,135.40 and 8,628.16

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Solution

The fourth proportional to 23,427.28, 35,135.40 and 8,628.16 is: 12,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.28 : 35,135.40 = 8,628.16 : x
  2. Step 2: Convert to fraction form
    23,427.28/35,135.40 = 8,628.16/x
  3. Step 3: Cross multiply
    23,427.28x = 35,135.40 × 8,628.16
  4. Step 4: Simplify right side
    23,427.28x = 303,153,852.86
  5. Step 5: Solve for x
    x = 303,153,852.86/23,427.28
  6. Step 6: Final answer
    x = 12,940.21

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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.