Home / 26,150.51-39,219.86-7,430.13

Finding the Fourth Proportional to 26,150.51, 39,219.86 and 7,430.13

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Solution

The fourth proportional to 26,150.51, 39,219.86 and 7,430.13 is: 11,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.51 : 39,219.86 = 7,430.13 : x
  2. Step 2: Convert to fraction form
    26,150.51/39,219.86 = 7,430.13/x
  3. Step 3: Cross multiply
    26,150.51x = 39,219.86 × 7,430.13
  4. Step 4: Simplify right side
    26,150.51x = 291,408,676.96
  5. Step 5: Solve for x
    x = 291,408,676.96/26,150.51
  6. Step 6: Final answer
    x = 11,143.52

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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.