Home / 13,678.14-18,875.93-8,016.24

Finding the Fourth Proportional to 13,678.14, 18,875.93 and 8,016.24

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Solution

The fourth proportional to 13,678.14, 18,875.93 and 8,016.24 is: 11,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678.14 : 18,875.93 = 8,016.24 : x
  2. Step 2: Convert to fraction form
    13,678.14/18,875.93 = 8,016.24/x
  3. Step 3: Cross multiply
    13,678.14x = 18,875.93 × 8,016.24
  4. Step 4: Simplify right side
    13,678.14x = 151,313,945.02
  5. Step 5: Solve for x
    x = 151,313,945.02/13,678.14
  6. Step 6: Final answer
    x = 11,062.47

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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.