Home / 25,997.36-39,000.89-10,416.20

Finding the Fourth Proportional to 25,997.36, 39,000.89 and 10,416.20

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Solution

The fourth proportional to 25,997.36, 39,000.89 and 10,416.20 is: 15,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.36 : 39,000.89 = 10,416.20 : x
  2. Step 2: Convert to fraction form
    25,997.36/39,000.89 = 10,416.20/x
  3. Step 3: Cross multiply
    25,997.36x = 39,000.89 × 10,416.20
  4. Step 4: Simplify right side
    25,997.36x = 406,240,901.45
  5. Step 5: Solve for x
    x = 406,240,901.45/25,997.36
  6. Step 6: Final answer
    x = 15,626.24

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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.