Home / 18,460.89-25,478.21-10,394.80

Finding the Fourth Proportional to 18,460.89, 25,478.21 and 10,394.80

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Solution

The fourth proportional to 18,460.89, 25,478.21 and 10,394.80 is: 14,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.89 : 25,478.21 = 10,394.80 : x
  2. Step 2: Convert to fraction form
    18,460.89/25,478.21 = 10,394.80/x
  3. Step 3: Cross multiply
    18,460.89x = 25,478.21 × 10,394.80
  4. Step 4: Simplify right side
    18,460.89x = 264,840,859.60
  5. Step 5: Solve for x
    x = 264,840,859.60/18,460.89
  6. Step 6: Final answer
    x = 14,346.05

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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.