Home / 12,365.76-18,600.48-10,292.16

Finding the Fourth Proportional to 12,365.76, 18,600.48 and 10,292.16

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Solution

The fourth proportional to 12,365.76, 18,600.48 and 10,292.16 is: 15,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.76 : 18,600.48 = 10,292.16 : x
  2. Step 2: Convert to fraction form
    12,365.76/18,600.48 = 10,292.16/x
  3. Step 3: Cross multiply
    12,365.76x = 18,600.48 × 10,292.16
  4. Step 4: Simplify right side
    12,365.76x = 191,439,116.24
  5. Step 5: Solve for x
    x = 191,439,116.24/12,365.76
  6. Step 6: Final answer
    x = 15,481.39

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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.