Home / 23,628.40-35,442.60-21,295.60

Finding the Fourth Proportional to 23,628.40, 35,442.60 and 21,295.60

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Solution

The fourth proportional to 23,628.40, 35,442.60 and 21,295.60 is: 31,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.40 : 35,442.60 = 21,295.60 : x
  2. Step 2: Convert to fraction form
    23,628.40/35,442.60 = 21,295.60/x
  3. Step 3: Cross multiply
    23,628.40x = 35,442.60 × 21,295.60
  4. Step 4: Simplify right side
    23,628.40x = 754,771,432.56
  5. Step 5: Solve for x
    x = 754,771,432.56/23,628.40
  6. Step 6: Final answer
    x = 31,943.40

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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.