Home / 13,955.24-19,256.66-8,287.96

Finding the Fourth Proportional to 13,955.24, 19,256.66 and 8,287.96

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Solution

The fourth proportional to 13,955.24, 19,256.66 and 8,287.96 is: 11,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.24 : 19,256.66 = 8,287.96 : x
  2. Step 2: Convert to fraction form
    13,955.24/19,256.66 = 8,287.96/x
  3. Step 3: Cross multiply
    13,955.24x = 19,256.66 × 8,287.96
  4. Step 4: Simplify right side
    13,955.24x = 159,598,427.81
  5. Step 5: Solve for x
    x = 159,598,427.81/13,955.24
  6. Step 6: Final answer
    x = 11,436.45

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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.