Home / 18,911.30-26,097.72-10,527.80

Finding the Fourth Proportional to 18,911.30, 26,097.72 and 10,527.80

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Solution

The fourth proportional to 18,911.30, 26,097.72 and 10,527.80 is: 14,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.30 : 26,097.72 = 10,527.80 : x
  2. Step 2: Convert to fraction form
    18,911.30/26,097.72 = 10,527.80/x
  3. Step 3: Cross multiply
    18,911.30x = 26,097.72 × 10,527.80
  4. Step 4: Simplify right side
    18,911.30x = 274,751,576.62
  5. Step 5: Solve for x
    x = 274,751,576.62/18,911.30
  6. Step 6: Final answer
    x = 14,528.43

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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.