Home / 27,023.93-40,501.34-11,420.09

Finding the Fourth Proportional to 27,023.93, 40,501.34 and 11,420.09

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Solution

The fourth proportional to 27,023.93, 40,501.34 and 11,420.09 is: 17,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,023.93 : 40,501.34 = 11,420.09 : x
  2. Step 2: Convert to fraction form
    27,023.93/40,501.34 = 11,420.09/x
  3. Step 3: Cross multiply
    27,023.93x = 40,501.34 × 11,420.09
  4. Step 4: Simplify right side
    27,023.93x = 462,528,890.82
  5. Step 5: Solve for x
    x = 462,528,890.82/27,023.93
  6. Step 6: Final answer
    x = 17,115.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.