Home / 13,192.83-18,206.33-8,156.93

Finding the Fourth Proportional to 13,192.83, 18,206.33 and 8,156.93

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Solution

The fourth proportional to 13,192.83, 18,206.33 and 8,156.93 is: 11,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.83 : 18,206.33 = 8,156.93 : x
  2. Step 2: Convert to fraction form
    13,192.83/18,206.33 = 8,156.93/x
  3. Step 3: Cross multiply
    13,192.83x = 18,206.33 × 8,156.93
  4. Step 4: Simplify right side
    13,192.83x = 148,507,627.55
  5. Step 5: Solve for x
    x = 148,507,627.55/13,192.83
  6. Step 6: Final answer
    x = 11,256.69

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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.