Home / 14,838.49-20,477.12-8,124.55

Finding the Fourth Proportional to 14,838.49, 20,477.12 and 8,124.55

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Solution

The fourth proportional to 14,838.49, 20,477.12 and 8,124.55 is: 11,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.49 : 20,477.12 = 8,124.55 : x
  2. Step 2: Convert to fraction form
    14,838.49/20,477.12 = 8,124.55/x
  3. Step 3: Cross multiply
    14,838.49x = 20,477.12 × 8,124.55
  4. Step 4: Simplify right side
    14,838.49x = 166,367,385.30
  5. Step 5: Solve for x
    x = 166,367,385.30/14,838.49
  6. Step 6: Final answer
    x = 11,211.88

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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.