Home / 14,634.60-21,959.10-11,123.40

Finding the Fourth Proportional to 14,634.60, 21,959.10 and 11,123.40

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Solution

The fourth proportional to 14,634.60, 21,959.10 and 11,123.40 is: 16,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.60 : 21,959.10 = 11,123.40 : x
  2. Step 2: Convert to fraction form
    14,634.60/21,959.10 = 11,123.40/x
  3. Step 3: Cross multiply
    14,634.60x = 21,959.10 × 11,123.40
  4. Step 4: Simplify right side
    14,634.60x = 244,259,852.94
  5. Step 5: Solve for x
    x = 244,259,852.94/14,634.60
  6. Step 6: Final answer
    x = 16,690.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.