Home / 23,603.32-32,571.34-12,990.90

Finding the Fourth Proportional to 23,603.32, 32,571.34 and 12,990.90

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Solution

The fourth proportional to 23,603.32, 32,571.34 and 12,990.90 is: 17,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.32 : 32,571.34 = 12,990.90 : x
  2. Step 2: Convert to fraction form
    23,603.32/32,571.34 = 12,990.90/x
  3. Step 3: Cross multiply
    23,603.32x = 32,571.34 × 12,990.90
  4. Step 4: Simplify right side
    23,603.32x = 423,131,020.81
  5. Step 5: Solve for x
    x = 423,131,020.81/23,603.32
  6. Step 6: Final answer
    x = 17,926.76

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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.