Home / 15,094.90-20,851.28-11,601.78

Finding the Fourth Proportional to 15,094.90, 20,851.28 and 11,601.78

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Solution

The fourth proportional to 15,094.90, 20,851.28 and 11,601.78 is: 16,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.90 : 20,851.28 = 11,601.78 : x
  2. Step 2: Convert to fraction form
    15,094.90/20,851.28 = 11,601.78/x
  3. Step 3: Cross multiply
    15,094.90x = 20,851.28 × 11,601.78
  4. Step 4: Simplify right side
    15,094.90x = 241,911,963.28
  5. Step 5: Solve for x
    x = 241,911,963.28/15,094.90
  6. Step 6: Final answer
    x = 16,026.07

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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.