Home / 23,765.81-32,795.62-13,155.21

Finding the Fourth Proportional to 23,765.81, 32,795.62 and 13,155.21

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Solution

The fourth proportional to 23,765.81, 32,795.62 and 13,155.21 is: 18,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.81 : 32,795.62 = 13,155.21 : x
  2. Step 2: Convert to fraction form
    23,765.81/32,795.62 = 13,155.21/x
  3. Step 3: Cross multiply
    23,765.81x = 32,795.62 × 13,155.21
  4. Step 4: Simplify right side
    23,765.81x = 431,433,235.29
  5. Step 5: Solve for x
    x = 431,433,235.29/23,765.81
  6. Step 6: Final answer
    x = 18,153.53

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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.