Home / 13,541.52-18,680.16-11,026.48

Finding the Fourth Proportional to 13,541.52, 18,680.16 and 11,026.48

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Solution

The fourth proportional to 13,541.52, 18,680.16 and 11,026.48 is: 15,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.52 : 18,680.16 = 11,026.48 : x
  2. Step 2: Convert to fraction form
    13,541.52/18,680.16 = 11,026.48/x
  3. Step 3: Cross multiply
    13,541.52x = 18,680.16 × 11,026.48
  4. Step 4: Simplify right side
    13,541.52x = 205,976,410.64
  5. Step 5: Solve for x
    x = 205,976,410.64/13,541.52
  6. Step 6: Final answer
    x = 15,210.73

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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.