Home / 25,071.60-37,660.20-21,183.60

Finding the Fourth Proportional to 25,071.60, 37,660.20 and 21,183.60

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Solution

The fourth proportional to 25,071.60, 37,660.20 and 21,183.60 is: 31,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.60 : 37,660.20 = 21,183.60 : x
  2. Step 2: Convert to fraction form
    25,071.60/37,660.20 = 21,183.60/x
  3. Step 3: Cross multiply
    25,071.60x = 37,660.20 × 21,183.60
  4. Step 4: Simplify right side
    25,071.60x = 797,778,612.72
  5. Step 5: Solve for x
    x = 797,778,612.72/25,071.60
  6. Step 6: Final answer
    x = 31,820.01

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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.