Home / 35,915.55-53,861.86-11,895.46

Finding the Fourth Proportional to 35,915.55, 53,861.86 and 11,895.46

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Solution

The fourth proportional to 35,915.55, 53,861.86 and 11,895.46 is: 17,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.55 : 53,861.86 = 11,895.46 : x
  2. Step 2: Convert to fraction form
    35,915.55/53,861.86 = 11,895.46/x
  3. Step 3: Cross multiply
    35,915.55x = 53,861.86 × 11,895.46
  4. Step 4: Simplify right side
    35,915.55x = 640,711,481.37
  5. Step 5: Solve for x
    x = 640,711,481.37/35,915.55
  6. Step 6: Final answer
    x = 17,839.39

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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.