Home / 18,190.64-25,095.75-10,528.85

Finding the Fourth Proportional to 18,190.64, 25,095.75 and 10,528.85

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Solution

The fourth proportional to 18,190.64, 25,095.75 and 10,528.85 is: 14,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.64 : 25,095.75 = 10,528.85 : x
  2. Step 2: Convert to fraction form
    18,190.64/25,095.75 = 10,528.85/x
  3. Step 3: Cross multiply
    18,190.64x = 25,095.75 × 10,528.85
  4. Step 4: Simplify right side
    18,190.64x = 264,229,387.39
  5. Step 5: Solve for x
    x = 264,229,387.39/18,190.64
  6. Step 6: Final answer
    x = 14,525.57

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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.