Home / 13,968.56-19,283.44-9,432.40

Finding the Fourth Proportional to 13,968.56, 19,283.44 and 9,432.40

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Solution

The fourth proportional to 13,968.56, 19,283.44 and 9,432.40 is: 13,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.56 : 19,283.44 = 9,432.40 : x
  2. Step 2: Convert to fraction form
    13,968.56/19,283.44 = 9,432.40/x
  3. Step 3: Cross multiply
    13,968.56x = 19,283.44 × 9,432.40
  4. Step 4: Simplify right side
    13,968.56x = 181,889,119.46
  5. Step 5: Solve for x
    x = 181,889,119.46/13,968.56
  6. Step 6: Final answer
    x = 13,021.32

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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.