Home / 23,458.61-32,387.94-20,936.40

Finding the Fourth Proportional to 23,458.61, 32,387.94 and 20,936.40

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Solution

The fourth proportional to 23,458.61, 32,387.94 and 20,936.40 is: 28,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,458.61 : 32,387.94 = 20,936.40 : x
  2. Step 2: Convert to fraction form
    23,458.61/32,387.94 = 20,936.40/x
  3. Step 3: Cross multiply
    23,458.61x = 32,387.94 × 20,936.40
  4. Step 4: Simplify right side
    23,458.61x = 678,086,867.02
  5. Step 5: Solve for x
    x = 678,086,867.02/23,458.61
  6. Step 6: Final answer
    x = 28,905.68

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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.