Home / 19,428.73-26,811.52-11,045.23

Finding the Fourth Proportional to 19,428.73, 26,811.52 and 11,045.23

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Solution

The fourth proportional to 19,428.73, 26,811.52 and 11,045.23 is: 15,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.73 : 26,811.52 = 11,045.23 : x
  2. Step 2: Convert to fraction form
    19,428.73/26,811.52 = 11,045.23/x
  3. Step 3: Cross multiply
    19,428.73x = 26,811.52 × 11,045.23
  4. Step 4: Simplify right side
    19,428.73x = 296,139,405.05
  5. Step 5: Solve for x
    x = 296,139,405.05/19,428.73
  6. Step 6: Final answer
    x = 15,242.34

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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.