Home / 12,016.10-18,024.15-8,749.98

Finding the Fourth Proportional to 12,016.10, 18,024.15 and 8,749.98

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Solution

The fourth proportional to 12,016.10, 18,024.15 and 8,749.98 is: 13,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.10 : 18,024.15 = 8,749.98 : x
  2. Step 2: Convert to fraction form
    12,016.10/18,024.15 = 8,749.98/x
  3. Step 3: Cross multiply
    12,016.10x = 18,024.15 × 8,749.98
  4. Step 4: Simplify right side
    12,016.10x = 157,710,952.02
  5. Step 5: Solve for x
    x = 157,710,952.02/12,016.10
  6. Step 6: Final answer
    x = 13,124.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.