Home / 19,186.55-26,477.40-11,230.28

Finding the Fourth Proportional to 19,186.55, 26,477.40 and 11,230.28

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Solution

The fourth proportional to 19,186.55, 26,477.40 and 11,230.28 is: 15,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.55 : 26,477.40 = 11,230.28 : x
  2. Step 2: Convert to fraction form
    19,186.55/26,477.40 = 11,230.28/x
  3. Step 3: Cross multiply
    19,186.55x = 26,477.40 × 11,230.28
  4. Step 4: Simplify right side
    19,186.55x = 297,348,615.67
  5. Step 5: Solve for x
    x = 297,348,615.67/19,186.55
  6. Step 6: Final answer
    x = 15,497.76

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Half scale
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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.