Home / 23,345.81-32,219.91-12,998.60

Finding the Fourth Proportional to 23,345.81, 32,219.91 and 12,998.60

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Solution

The fourth proportional to 23,345.81, 32,219.91 and 12,998.60 is: 17,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.81 : 32,219.91 = 12,998.60 : x
  2. Step 2: Convert to fraction form
    23,345.81/32,219.91 = 12,998.60/x
  3. Step 3: Cross multiply
    23,345.81x = 32,219.91 × 12,998.60
  4. Step 4: Simplify right side
    23,345.81x = 418,813,561.03
  5. Step 5: Solve for x
    x = 418,813,561.03/23,345.81
  6. Step 6: Final answer
    x = 17,939.56

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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.