Home / 19,706.14-29,559.12-4,915.03

Finding the Fourth Proportional to 19,706.14, 29,559.12 and 4,915.03

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Solution

The fourth proportional to 19,706.14, 29,559.12 and 4,915.03 is: 7,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.14 : 29,559.12 = 4,915.03 : x
  2. Step 2: Convert to fraction form
    19,706.14/29,559.12 = 4,915.03/x
  3. Step 3: Cross multiply
    19,706.14x = 29,559.12 × 4,915.03
  4. Step 4: Simplify right side
    19,706.14x = 145,283,961.57
  5. Step 5: Solve for x
    x = 145,283,961.57/19,706.14
  6. Step 6: Final answer
    x = 7,372.52

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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.