Home / 14,132.88-21,155.58-12,033.36

Finding the Fourth Proportional to 14,132.88, 21,155.58 and 12,033.36

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Solution

The fourth proportional to 14,132.88, 21,155.58 and 12,033.36 is: 18,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.88 : 21,155.58 = 12,033.36 : x
  2. Step 2: Convert to fraction form
    14,132.88/21,155.58 = 12,033.36/x
  3. Step 3: Cross multiply
    14,132.88x = 21,155.58 × 12,033.36
  4. Step 4: Simplify right side
    14,132.88x = 254,572,710.15
  5. Step 5: Solve for x
    x = 254,572,710.15/14,132.88
  6. Step 6: Final answer
    x = 18,012.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.