Home / 13,416.52-20,087.10-10,902.76

Finding the Fourth Proportional to 13,416.52, 20,087.10 and 10,902.76

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Solution

The fourth proportional to 13,416.52, 20,087.10 and 10,902.76 is: 16,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.52 : 20,087.10 = 10,902.76 : x
  2. Step 2: Convert to fraction form
    13,416.52/20,087.10 = 10,902.76/x
  3. Step 3: Cross multiply
    13,416.52x = 20,087.10 × 10,902.76
  4. Step 4: Simplify right side
    13,416.52x = 219,004,830.40
  5. Step 5: Solve for x
    x = 219,004,830.40/13,416.52
  6. Step 6: Final answer
    x = 16,323.52

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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.