Home / 19,015.95-26,231.47-11,057.29

Finding the Fourth Proportional to 19,015.95, 26,231.47 and 11,057.29

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Solution

The fourth proportional to 19,015.95, 26,231.47 and 11,057.29 is: 15,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.95 : 26,231.47 = 11,057.29 : x
  2. Step 2: Convert to fraction form
    19,015.95/26,231.47 = 11,057.29/x
  3. Step 3: Cross multiply
    19,015.95x = 26,231.47 × 11,057.29
  4. Step 4: Simplify right side
    19,015.95x = 290,048,915.63
  5. Step 5: Solve for x
    x = 290,048,915.63/19,015.95
  6. Step 6: Final answer
    x = 15,252.93

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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.