Home / 14,511.07-20,016.78-9,124.98

Finding the Fourth Proportional to 14,511.07, 20,016.78 and 9,124.98

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Solution

The fourth proportional to 14,511.07, 20,016.78 and 9,124.98 is: 12,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.07 : 20,016.78 = 9,124.98 : x
  2. Step 2: Convert to fraction form
    14,511.07/20,016.78 = 9,124.98/x
  3. Step 3: Cross multiply
    14,511.07x = 20,016.78 × 9,124.98
  4. Step 4: Simplify right side
    14,511.07x = 182,652,684.87
  5. Step 5: Solve for x
    x = 182,652,684.87/14,511.07
  6. Step 6: Final answer
    x = 12,587.13

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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.