Home / 14,838.26-20,476.86-8,124.51

Finding the Fourth Proportional to 14,838.26, 20,476.86 and 8,124.51

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Solution

The fourth proportional to 14,838.26, 20,476.86 and 8,124.51 is: 11,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.26 : 20,476.86 = 8,124.51 : x
  2. Step 2: Convert to fraction form
    14,838.26/20,476.86 = 8,124.51/x
  3. Step 3: Cross multiply
    14,838.26x = 20,476.86 × 8,124.51
  4. Step 4: Simplify right side
    14,838.26x = 166,364,433.53
  5. Step 5: Solve for x
    x = 166,364,433.53/14,838.26
  6. Step 6: Final answer
    x = 11,211.86

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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.