Home / 18,274.42-25,218.54-10,316.37

Finding the Fourth Proportional to 18,274.42, 25,218.54 and 10,316.37

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Solution

The fourth proportional to 18,274.42, 25,218.54 and 10,316.37 is: 14,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.42 : 25,218.54 = 10,316.37 : x
  2. Step 2: Convert to fraction form
    18,274.42/25,218.54 = 10,316.37/x
  3. Step 3: Cross multiply
    18,274.42x = 25,218.54 × 10,316.37
  4. Step 4: Simplify right side
    18,274.42x = 260,163,789.50
  5. Step 5: Solve for x
    x = 260,163,789.50/18,274.42
  6. Step 6: Final answer
    x = 14,236.50

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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.