Home / 19,440.54-26,828.55-11,057.58

Finding the Fourth Proportional to 19,440.54, 26,828.55 and 11,057.58

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Solution

The fourth proportional to 19,440.54, 26,828.55 and 11,057.58 is: 15,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.54 : 26,828.55 = 11,057.58 : x
  2. Step 2: Convert to fraction form
    19,440.54/26,828.55 = 11,057.58/x
  3. Step 3: Cross multiply
    19,440.54x = 26,828.55 × 11,057.58
  4. Step 4: Simplify right side
    19,440.54x = 296,658,837.91
  5. Step 5: Solve for x
    x = 296,658,837.91/19,440.54
  6. Step 6: Final answer
    x = 15,259.80

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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.