Home / 19,276.96-26,603.92-12,111.84

Finding the Fourth Proportional to 19,276.96, 26,603.92 and 12,111.84

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Solution

The fourth proportional to 19,276.96, 26,603.92 and 12,111.84 is: 16,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.96 : 26,603.92 = 12,111.84 : x
  2. Step 2: Convert to fraction form
    19,276.96/26,603.92 = 12,111.84/x
  3. Step 3: Cross multiply
    19,276.96x = 26,603.92 × 12,111.84
  4. Step 4: Simplify right side
    19,276.96x = 322,222,422.41
  5. Step 5: Solve for x
    x = 322,222,422.41/19,276.96
  6. Step 6: Final answer
    x = 16,715.42

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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.