Home / 23,004.74-31,745.72-12,795.71

Finding the Fourth Proportional to 23,004.74, 31,745.72 and 12,795.71

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Solution

The fourth proportional to 23,004.74, 31,745.72 and 12,795.71 is: 17,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.74 : 31,745.72 = 12,795.71 : x
  2. Step 2: Convert to fraction form
    23,004.74/31,745.72 = 12,795.71/x
  3. Step 3: Cross multiply
    23,004.74x = 31,745.72 × 12,795.71
  4. Step 4: Simplify right side
    23,004.74x = 406,209,138.21
  5. Step 5: Solve for x
    x = 406,209,138.21/23,004.74
  6. Step 6: Final answer
    x = 17,657.63

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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.