Home / 13,498.44-18,585.48-11,477.88

Finding the Fourth Proportional to 13,498.44, 18,585.48 and 11,477.88

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Solution

The fourth proportional to 13,498.44, 18,585.48 and 11,477.88 is: 15,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.44 : 18,585.48 = 11,477.88 : x
  2. Step 2: Convert to fraction form
    13,498.44/18,585.48 = 11,477.88/x
  3. Step 3: Cross multiply
    13,498.44x = 18,585.48 × 11,477.88
  4. Step 4: Simplify right side
    13,498.44x = 213,321,909.18
  5. Step 5: Solve for x
    x = 213,321,909.18/13,498.44
  6. Step 6: Final answer
    x = 15,803.45

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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.