Home / 18,360.33-25,336.40-10,402.62

Finding the Fourth Proportional to 18,360.33, 25,336.40 and 10,402.62

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Solution

The fourth proportional to 18,360.33, 25,336.40 and 10,402.62 is: 14,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.33 : 25,336.40 = 10,402.62 : x
  2. Step 2: Convert to fraction form
    18,360.33/25,336.40 = 10,402.62/x
  3. Step 3: Cross multiply
    18,360.33x = 25,336.40 × 10,402.62
  4. Step 4: Simplify right side
    18,360.33x = 263,564,889.35
  5. Step 5: Solve for x
    x = 263,564,889.35/18,360.33
  6. Step 6: Final answer
    x = 14,355.13

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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.