Home / 45,688.38-68,531.85-14,523.18

Finding the Fourth Proportional to 45,688.38, 68,531.85 and 14,523.18

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Solution

The fourth proportional to 45,688.38, 68,531.85 and 14,523.18 is: 21,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.38 : 68,531.85 = 14,523.18 : x
  2. Step 2: Convert to fraction form
    45,688.38/68,531.85 = 14,523.18/x
  3. Step 3: Cross multiply
    45,688.38x = 68,531.85 × 14,523.18
  4. Step 4: Simplify right side
    45,688.38x = 995,300,393.28
  5. Step 5: Solve for x
    x = 995,300,393.28/45,688.38
  6. Step 6: Final answer
    x = 21,784.54

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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.