Home / 18,230.49-25,157.86-10,274.06

Finding the Fourth Proportional to 18,230.49, 25,157.86 and 10,274.06

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Solution

The fourth proportional to 18,230.49, 25,157.86 and 10,274.06 is: 14,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.49 : 25,157.86 = 10,274.06 : x
  2. Step 2: Convert to fraction form
    18,230.49/25,157.86 = 10,274.06/x
  3. Step 3: Cross multiply
    18,230.49x = 25,157.86 × 10,274.06
  4. Step 4: Simplify right side
    18,230.49x = 258,473,400.32
  5. Step 5: Solve for x
    x = 258,473,400.32/18,230.49
  6. Step 6: Final answer
    x = 14,178.08

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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.