Home / 25,996.10-39,000.45-7,528.10

Finding the Fourth Proportional to 25,996.10, 39,000.45 and 7,528.10

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Solution

The fourth proportional to 25,996.10, 39,000.45 and 7,528.10 is: 11,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.10 : 39,000.45 = 7,528.10 : x
  2. Step 2: Convert to fraction form
    25,996.10/39,000.45 = 7,528.10/x
  3. Step 3: Cross multiply
    25,996.10x = 39,000.45 × 7,528.10
  4. Step 4: Simplify right side
    25,996.10x = 293,599,287.65
  5. Step 5: Solve for x
    x = 293,599,287.65/25,996.10
  6. Step 6: Final answer
    x = 11,293.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.