Home / 13,493.92-18,656.40-10,360.48

Finding the Fourth Proportional to 13,493.92, 18,656.40 and 10,360.48

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Solution

The fourth proportional to 13,493.92, 18,656.40 and 10,360.48 is: 14,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.92 : 18,656.40 = 10,360.48 : x
  2. Step 2: Convert to fraction form
    13,493.92/18,656.40 = 10,360.48/x
  3. Step 3: Cross multiply
    13,493.92x = 18,656.40 × 10,360.48
  4. Step 4: Simplify right side
    13,493.92x = 193,289,259.07
  5. Step 5: Solve for x
    x = 193,289,259.07/13,493.92
  6. Step 6: Final answer
    x = 14,324.17

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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.