Home / 14,144.48-19,511.52-13,143.32

Finding the Fourth Proportional to 14,144.48, 19,511.52 and 13,143.32

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Solution

The fourth proportional to 14,144.48, 19,511.52 and 13,143.32 is: 18,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.48 : 19,511.52 = 13,143.32 : x
  2. Step 2: Convert to fraction form
    14,144.48/19,511.52 = 13,143.32/x
  3. Step 3: Cross multiply
    14,144.48x = 19,511.52 × 13,143.32
  4. Step 4: Simplify right side
    14,144.48x = 256,446,151.05
  5. Step 5: Solve for x
    x = 256,446,151.05/14,144.48
  6. Step 6: Final answer
    x = 18,130.48

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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.