Home / 14,005.76-19,270.66-12,111.27

Finding the Fourth Proportional to 14,005.76, 19,270.66 and 12,111.27

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Solution

The fourth proportional to 14,005.76, 19,270.66 and 12,111.27 is: 16,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.76 : 19,270.66 = 12,111.27 : x
  2. Step 2: Convert to fraction form
    14,005.76/19,270.66 = 12,111.27/x
  3. Step 3: Cross multiply
    14,005.76x = 19,270.66 × 12,111.27
  4. Step 4: Simplify right side
    14,005.76x = 233,392,194.90
  5. Step 5: Solve for x
    x = 233,392,194.90/14,005.76
  6. Step 6: Final answer
    x = 16,664.01

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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.