Home / 24,915.78-34,427.52-19,921.23

Finding the Fourth Proportional to 24,915.78, 34,427.52 and 19,921.23

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Solution

The fourth proportional to 24,915.78, 34,427.52 and 19,921.23 is: 27,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,915.78 : 34,427.52 = 19,921.23 : x
  2. Step 2: Convert to fraction form
    24,915.78/34,427.52 = 19,921.23/x
  3. Step 3: Cross multiply
    24,915.78x = 34,427.52 × 19,921.23
  4. Step 4: Simplify right side
    24,915.78x = 685,838,544.25
  5. Step 5: Solve for x
    x = 685,838,544.25/24,915.78
  6. Step 6: Final answer
    x = 27,526.27

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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.