Home / 23,288.67-32,138.43-12,678.33

Finding the Fourth Proportional to 23,288.67, 32,138.43 and 12,678.33

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Solution

The fourth proportional to 23,288.67, 32,138.43 and 12,678.33 is: 17,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.67 : 32,138.43 = 12,678.33 : x
  2. Step 2: Convert to fraction form
    23,288.67/32,138.43 = 12,678.33/x
  3. Step 3: Cross multiply
    23,288.67x = 32,138.43 × 12,678.33
  4. Step 4: Simplify right side
    23,288.67x = 407,461,621.22
  5. Step 5: Solve for x
    x = 407,461,621.22/23,288.67
  6. Step 6: Final answer
    x = 17,496.13

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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.