Home / 19,156.17-28,717.20-7,466.70

Finding the Fourth Proportional to 19,156.17, 28,717.20 and 7,466.70

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Solution

The fourth proportional to 19,156.17, 28,717.20 and 7,466.70 is: 11,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.17 : 28,717.20 = 7,466.70 : x
  2. Step 2: Convert to fraction form
    19,156.17/28,717.20 = 7,466.70/x
  3. Step 3: Cross multiply
    19,156.17x = 28,717.20 × 7,466.70
  4. Step 4: Simplify right side
    19,156.17x = 214,422,717.24
  5. Step 5: Solve for x
    x = 214,422,717.24/19,156.17
  6. Step 6: Final answer
    x = 11,193.40

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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.