Home / 19,511.90-26,925.48-11,444.45

Finding the Fourth Proportional to 19,511.90, 26,925.48 and 11,444.45

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Solution

The fourth proportional to 19,511.90, 26,925.48 and 11,444.45 is: 15,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.90 : 26,925.48 = 11,444.45 : x
  2. Step 2: Convert to fraction form
    19,511.90/26,925.48 = 11,444.45/x
  3. Step 3: Cross multiply
    19,511.90x = 26,925.48 × 11,444.45
  4. Step 4: Simplify right side
    19,511.90x = 308,147,174.96
  5. Step 5: Solve for x
    x = 308,147,174.96/19,511.90
  6. Step 6: Final answer
    x = 15,792.78

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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.