Home / 14,869.90-22,268.40-9,912.70

Finding the Fourth Proportional to 14,869.90, 22,268.40 and 9,912.70

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Solution

The fourth proportional to 14,869.90, 22,268.40 and 9,912.70 is: 14,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.90 : 22,268.40 = 9,912.70 : x
  2. Step 2: Convert to fraction form
    14,869.90/22,268.40 = 9,912.70/x
  3. Step 3: Cross multiply
    14,869.90x = 22,268.40 × 9,912.70
  4. Step 4: Simplify right side
    14,869.90x = 220,739,968.68
  5. Step 5: Solve for x
    x = 220,739,968.68/14,869.90
  6. Step 6: Final answer
    x = 14,844.75

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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.