Home / 23,909.40-35,847.90-12,666.60

Finding the Fourth Proportional to 23,909.40, 35,847.90 and 12,666.60

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Solution

The fourth proportional to 23,909.40, 35,847.90 and 12,666.60 is: 18,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.40 : 35,847.90 = 12,666.60 : x
  2. Step 2: Convert to fraction form
    23,909.40/35,847.90 = 12,666.60/x
  3. Step 3: Cross multiply
    23,909.40x = 35,847.90 × 12,666.60
  4. Step 4: Simplify right side
    23,909.40x = 454,071,010.14
  5. Step 5: Solve for x
    x = 454,071,010.14/23,909.40
  6. Step 6: Final answer
    x = 18,991.32

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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.