Home / 19,111.77-28,656.30-7,266.41

Finding the Fourth Proportional to 19,111.77, 28,656.30 and 7,266.41

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Solution

The fourth proportional to 19,111.77, 28,656.30 and 7,266.41 is: 10,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.77 : 28,656.30 = 7,266.41 : x
  2. Step 2: Convert to fraction form
    19,111.77/28,656.30 = 7,266.41/x
  3. Step 3: Cross multiply
    19,111.77x = 28,656.30 × 7,266.41
  4. Step 4: Simplify right side
    19,111.77x = 208,228,512.09
  5. Step 5: Solve for x
    x = 208,228,512.09/19,111.77
  6. Step 6: Final answer
    x = 10,895.30

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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.