Home / 13,999.02-19,316.81-8,624.27

Finding the Fourth Proportional to 13,999.02, 19,316.81 and 8,624.27

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Solution

The fourth proportional to 13,999.02, 19,316.81 and 8,624.27 is: 11,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.02 : 19,316.81 = 8,624.27 : x
  2. Step 2: Convert to fraction form
    13,999.02/19,316.81 = 8,624.27/x
  3. Step 3: Cross multiply
    13,999.02x = 19,316.81 × 8,624.27
  4. Step 4: Simplify right side
    13,999.02x = 166,593,245.27
  5. Step 5: Solve for x
    x = 166,593,245.27/13,999.02
  6. Step 6: Final answer
    x = 11,900.35

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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.