Home / 19,915.37-27,483.99-10,963.70

Finding the Fourth Proportional to 19,915.37, 27,483.99 and 10,963.70

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Solution

The fourth proportional to 19,915.37, 27,483.99 and 10,963.70 is: 15,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.37 : 27,483.99 = 10,963.70 : x
  2. Step 2: Convert to fraction form
    19,915.37/27,483.99 = 10,963.70/x
  3. Step 3: Cross multiply
    19,915.37x = 27,483.99 × 10,963.70
  4. Step 4: Simplify right side
    19,915.37x = 301,326,193.75
  5. Step 5: Solve for x
    x = 301,326,193.75/19,915.37
  6. Step 6: Final answer
    x = 15,130.34

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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.