Home / 23,601.36-32,570.74-12,991.44

Finding the Fourth Proportional to 23,601.36, 32,570.74 and 12,991.44

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Solution

The fourth proportional to 23,601.36, 32,570.74 and 12,991.44 is: 17,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,601.36 : 32,570.74 = 12,991.44 : x
  2. Step 2: Convert to fraction form
    23,601.36/32,570.74 = 12,991.44/x
  3. Step 3: Cross multiply
    23,601.36x = 32,570.74 × 12,991.44
  4. Step 4: Simplify right side
    23,601.36x = 423,140,814.47
  5. Step 5: Solve for x
    x = 423,140,814.47/23,601.36
  6. Step 6: Final answer
    x = 17,928.66

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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.