Home / 23,940.60-35,877.29-18,920.91

Finding the Fourth Proportional to 23,940.60, 35,877.29 and 18,920.91

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Solution

The fourth proportional to 23,940.60, 35,877.29 and 18,920.91 is: 28,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.60 : 35,877.29 = 18,920.91 : x
  2. Step 2: Convert to fraction form
    23,940.60/35,877.29 = 18,920.91/x
  3. Step 3: Cross multiply
    23,940.60x = 35,877.29 × 18,920.91
  4. Step 4: Simplify right side
    23,940.60x = 678,830,975.13
  5. Step 5: Solve for x
    x = 678,830,975.13/23,940.60
  6. Step 6: Final answer
    x = 28,354.80

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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.