Home / 23,374.61-35,072.19-12,278.72

Finding the Fourth Proportional to 23,374.61, 35,072.19 and 12,278.72

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Solution

The fourth proportional to 23,374.61, 35,072.19 and 12,278.72 is: 18,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,374.61 : 35,072.19 = 12,278.72 : x
  2. Step 2: Convert to fraction form
    23,374.61/35,072.19 = 12,278.72/x
  3. Step 3: Cross multiply
    23,374.61x = 35,072.19 × 12,278.72
  4. Step 4: Simplify right side
    23,374.61x = 430,641,600.80
  5. Step 5: Solve for x
    x = 430,641,600.80/23,374.61
  6. Step 6: Final answer
    x = 18,423.48

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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.