Home / 14,112.48-19,468.08-8,811.36

Finding the Fourth Proportional to 14,112.48, 19,468.08 and 8,811.36

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Solution

The fourth proportional to 14,112.48, 19,468.08 and 8,811.36 is: 12,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.48 : 19,468.08 = 8,811.36 : x
  2. Step 2: Convert to fraction form
    14,112.48/19,468.08 = 8,811.36/x
  3. Step 3: Cross multiply
    14,112.48x = 19,468.08 × 8,811.36
  4. Step 4: Simplify right side
    14,112.48x = 171,540,261.39
  5. Step 5: Solve for x
    x = 171,540,261.39/14,112.48
  6. Step 6: Final answer
    x = 12,155.22

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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.