Home / 14,189.20-19,583.40-8,602.96

Finding the Fourth Proportional to 14,189.20, 19,583.40 and 8,602.96

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Solution

The fourth proportional to 14,189.20, 19,583.40 and 8,602.96 is: 11,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.20 : 19,583.40 = 8,602.96 : x
  2. Step 2: Convert to fraction form
    14,189.20/19,583.40 = 8,602.96/x
  3. Step 3: Cross multiply
    14,189.20x = 19,583.40 × 8,602.96
  4. Step 4: Simplify right side
    14,189.20x = 168,475,206.86
  5. Step 5: Solve for x
    x = 168,475,206.86/14,189.20
  6. Step 6: Final answer
    x = 11,873.48

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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.