Home / 15,197.56-22,721.40-12,883.40

Finding the Fourth Proportional to 15,197.56, 22,721.40 and 12,883.40

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Solution

The fourth proportional to 15,197.56, 22,721.40 and 12,883.40 is: 19,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.56 : 22,721.40 = 12,883.40 : x
  2. Step 2: Convert to fraction form
    15,197.56/22,721.40 = 12,883.40/x
  3. Step 3: Cross multiply
    15,197.56x = 22,721.40 × 12,883.40
  4. Step 4: Simplify right side
    15,197.56x = 292,728,884.76
  5. Step 5: Solve for x
    x = 292,728,884.76/15,197.56
  6. Step 6: Final answer
    x = 19,261.57

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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.