Home / 26,145.10-39,216.70-7,425.07

Finding the Fourth Proportional to 26,145.10, 39,216.70 and 7,425.07

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Solution

The fourth proportional to 26,145.10, 39,216.70 and 7,425.07 is: 11,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.10 : 39,216.70 = 7,425.07 : x
  2. Step 2: Convert to fraction form
    26,145.10/39,216.70 = 7,425.07/x
  3. Step 3: Cross multiply
    26,145.10x = 39,216.70 × 7,425.07
  4. Step 4: Simplify right side
    26,145.10x = 291,186,742.67
  5. Step 5: Solve for x
    x = 291,186,742.67/26,145.10
  6. Step 6: Final answer
    x = 11,137.34

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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.