Home / 13,955.52-19,243.26-11,830.08

Finding the Fourth Proportional to 13,955.52, 19,243.26 and 11,830.08

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Solution

The fourth proportional to 13,955.52, 19,243.26 and 11,830.08 is: 16,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.52 : 19,243.26 = 11,830.08 : x
  2. Step 2: Convert to fraction form
    13,955.52/19,243.26 = 11,830.08/x
  3. Step 3: Cross multiply
    13,955.52x = 19,243.26 × 11,830.08
  4. Step 4: Simplify right side
    13,955.52x = 227,649,305.26
  5. Step 5: Solve for x
    x = 227,649,305.26/13,955.52
  6. Step 6: Final answer
    x = 16,312.49

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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.