Home / 19,162.45-26,440.23-11,203.12

Finding the Fourth Proportional to 19,162.45, 26,440.23 and 11,203.12

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Solution

The fourth proportional to 19,162.45, 26,440.23 and 11,203.12 is: 15,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.45 : 26,440.23 = 11,203.12 : x
  2. Step 2: Convert to fraction form
    19,162.45/26,440.23 = 11,203.12/x
  3. Step 3: Cross multiply
    19,162.45x = 26,440.23 × 11,203.12
  4. Step 4: Simplify right side
    19,162.45x = 296,213,069.52
  5. Step 5: Solve for x
    x = 296,213,069.52/19,162.45
  6. Step 6: Final answer
    x = 15,458.00

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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.