Home / 14,454.18-19,946.27-8,485.70

Finding the Fourth Proportional to 14,454.18, 19,946.27 and 8,485.70

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Solution

The fourth proportional to 14,454.18, 19,946.27 and 8,485.70 is: 11,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.18 : 19,946.27 = 8,485.70 : x
  2. Step 2: Convert to fraction form
    14,454.18/19,946.27 = 8,485.70/x
  3. Step 3: Cross multiply
    14,454.18x = 19,946.27 × 8,485.70
  4. Step 4: Simplify right side
    14,454.18x = 169,257,984.82
  5. Step 5: Solve for x
    x = 169,257,984.82/14,454.18
  6. Step 6: Final answer
    x = 11,709.97

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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.