Home / 19,756.66-27,263.23-11,260.77

Finding the Fourth Proportional to 19,756.66, 27,263.23 and 11,260.77

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Solution

The fourth proportional to 19,756.66, 27,263.23 and 11,260.77 is: 15,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.66 : 27,263.23 = 11,260.77 : x
  2. Step 2: Convert to fraction form
    19,756.66/27,263.23 = 11,260.77/x
  3. Step 3: Cross multiply
    19,756.66x = 27,263.23 × 11,260.77
  4. Step 4: Simplify right side
    19,756.66x = 307,004,962.49
  5. Step 5: Solve for x
    x = 307,004,962.49/19,756.66
  6. Step 6: Final answer
    x = 15,539.31

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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.