Home / 18,402.39-25,393.86-10,445.94

Finding the Fourth Proportional to 18,402.39, 25,393.86 and 10,445.94

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Solution

The fourth proportional to 18,402.39, 25,393.86 and 10,445.94 is: 14,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.39 : 25,393.86 = 10,445.94 : x
  2. Step 2: Convert to fraction form
    18,402.39/25,393.86 = 10,445.94/x
  3. Step 3: Cross multiply
    18,402.39x = 25,393.86 × 10,445.94
  4. Step 4: Simplify right side
    18,402.39x = 265,262,737.93
  5. Step 5: Solve for x
    x = 265,262,737.93/18,402.39
  6. Step 6: Final answer
    x = 14,414.58

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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.