Home / 23,899.58-32,981.44-13,289.20

Finding the Fourth Proportional to 23,899.58, 32,981.44 and 13,289.20

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Solution

The fourth proportional to 23,899.58, 32,981.44 and 13,289.20 is: 18,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.58 : 32,981.44 = 13,289.20 : x
  2. Step 2: Convert to fraction form
    23,899.58/32,981.44 = 13,289.20/x
  3. Step 3: Cross multiply
    23,899.58x = 32,981.44 × 13,289.20
  4. Step 4: Simplify right side
    23,899.58x = 438,296,952.45
  5. Step 5: Solve for x
    x = 438,296,952.45/23,899.58
  6. Step 6: Final answer
    x = 18,339.11

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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.