Home / 16,915.64-25,381.40-7,554.78

Finding the Fourth Proportional to 16,915.64, 25,381.40 and 7,554.78

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Solution

The fourth proportional to 16,915.64, 25,381.40 and 7,554.78 is: 11,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.64 : 25,381.40 = 7,554.78 : x
  2. Step 2: Convert to fraction form
    16,915.64/25,381.40 = 7,554.78/x
  3. Step 3: Cross multiply
    16,915.64x = 25,381.40 × 7,554.78
  4. Step 4: Simplify right side
    16,915.64x = 191,750,855.32
  5. Step 5: Solve for x
    x = 191,750,855.32/16,915.64
  6. Step 6: Final answer
    x = 11,335.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.