Home / 23,749.81-32,773.38-13,138.81

Finding the Fourth Proportional to 23,749.81, 32,773.38 and 13,138.81

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Solution

The fourth proportional to 23,749.81, 32,773.38 and 13,138.81 is: 18,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.81 : 32,773.38 = 13,138.81 : x
  2. Step 2: Convert to fraction form
    23,749.81/32,773.38 = 13,138.81/x
  3. Step 3: Cross multiply
    23,749.81x = 32,773.38 × 13,138.81
  4. Step 4: Simplify right side
    23,749.81x = 430,603,081.67
  5. Step 5: Solve for x
    x = 430,603,081.67/23,749.81
  6. Step 6: Final answer
    x = 18,130.80

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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.