Home / 14,118.71-19,483.97-8,816.60

Finding the Fourth Proportional to 14,118.71, 19,483.97 and 8,816.60

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Solution

The fourth proportional to 14,118.71, 19,483.97 and 8,816.60 is: 12,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.71 : 19,483.97 = 8,816.60 : x
  2. Step 2: Convert to fraction form
    14,118.71/19,483.97 = 8,816.60/x
  3. Step 3: Cross multiply
    14,118.71x = 19,483.97 × 8,816.60
  4. Step 4: Simplify right side
    14,118.71x = 171,782,228.40
  5. Step 5: Solve for x
    x = 171,782,228.40/14,118.71
  6. Step 6: Final answer
    x = 12,167.00

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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.