Home / 19,187.16-28,776.24-7,338.48

Finding the Fourth Proportional to 19,187.16, 28,776.24 and 7,338.48

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Solution

The fourth proportional to 19,187.16, 28,776.24 and 7,338.48 is: 11,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.16 : 28,776.24 = 7,338.48 : x
  2. Step 2: Convert to fraction form
    19,187.16/28,776.24 = 7,338.48/x
  3. Step 3: Cross multiply
    19,187.16x = 28,776.24 × 7,338.48
  4. Step 4: Simplify right side
    19,187.16x = 211,173,861.72
  5. Step 5: Solve for x
    x = 211,173,861.72/19,187.16
  6. Step 6: Final answer
    x = 11,006.00

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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.