Home / 14,838.12-20,476.60-8,124.18

Finding the Fourth Proportional to 14,838.12, 20,476.60 and 8,124.18

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Solution

The fourth proportional to 14,838.12, 20,476.60 and 8,124.18 is: 11,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.12 : 20,476.60 = 8,124.18 : x
  2. Step 2: Convert to fraction form
    14,838.12/20,476.60 = 8,124.18/x
  3. Step 3: Cross multiply
    14,838.12x = 20,476.60 × 8,124.18
  4. Step 4: Simplify right side
    14,838.12x = 166,355,481.81
  5. Step 5: Solve for x
    x = 166,355,481.81/14,838.12
  6. Step 6: Final answer
    x = 11,211.36

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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.