Home / 28,837.10-43,255.65-12,194.48

Finding the Fourth Proportional to 28,837.10, 43,255.65 and 12,194.48

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Solution

The fourth proportional to 28,837.10, 43,255.65 and 12,194.48 is: 18,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.10 : 43,255.65 = 12,194.48 : x
  2. Step 2: Convert to fraction form
    28,837.10/43,255.65 = 12,194.48/x
  3. Step 3: Cross multiply
    28,837.10x = 43,255.65 × 12,194.48
  4. Step 4: Simplify right side
    28,837.10x = 527,480,158.81
  5. Step 5: Solve for x
    x = 527,480,158.81/28,837.10
  6. Step 6: Final answer
    x = 18,291.72

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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.