Home / 25,299.64-34,915.02-14,122.36

Finding the Fourth Proportional to 25,299.64, 34,915.02 and 14,122.36

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Solution

The fourth proportional to 25,299.64, 34,915.02 and 14,122.36 is: 19,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.64 : 34,915.02 = 14,122.36 : x
  2. Step 2: Convert to fraction form
    25,299.64/34,915.02 = 14,122.36/x
  3. Step 3: Cross multiply
    25,299.64x = 34,915.02 × 14,122.36
  4. Step 4: Simplify right side
    25,299.64x = 493,082,481.85
  5. Step 5: Solve for x
    x = 493,082,481.85/25,299.64
  6. Step 6: Final answer
    x = 19,489.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.