Home / 19,915.03-27,481.79-10,962.35

Finding the Fourth Proportional to 19,915.03, 27,481.79 and 10,962.35

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Solution

The fourth proportional to 19,915.03, 27,481.79 and 10,962.35 is: 15,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.03 : 27,481.79 = 10,962.35 : x
  2. Step 2: Convert to fraction form
    19,915.03/27,481.79 = 10,962.35/x
  3. Step 3: Cross multiply
    19,915.03x = 27,481.79 × 10,962.35
  4. Step 4: Simplify right side
    19,915.03x = 301,264,890.60
  5. Step 5: Solve for x
    x = 301,264,890.60/19,915.03
  6. Step 6: Final answer
    x = 15,127.52

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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.