Home / 23,460.64-32,389.68-20,836.24

Finding the Fourth Proportional to 23,460.64, 32,389.68 and 20,836.24

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Solution

The fourth proportional to 23,460.64, 32,389.68 and 20,836.24 is: 28,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,460.64 : 32,389.68 = 20,836.24 : x
  2. Step 2: Convert to fraction form
    23,460.64/32,389.68 = 20,836.24/x
  3. Step 3: Cross multiply
    23,460.64x = 32,389.68 × 20,836.24
  4. Step 4: Simplify right side
    23,460.64x = 674,879,146.00
  5. Step 5: Solve for x
    x = 674,879,146.00/23,460.64
  6. Step 6: Final answer
    x = 28,766.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.