Home / 19,231.40-28,847.10-16,412.60

Finding the Fourth Proportional to 19,231.40, 28,847.10 and 16,412.60

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Solution

The fourth proportional to 19,231.40, 28,847.10 and 16,412.60 is: 24,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.40 : 28,847.10 = 16,412.60 : x
  2. Step 2: Convert to fraction form
    19,231.40/28,847.10 = 16,412.60/x
  3. Step 3: Cross multiply
    19,231.40x = 28,847.10 × 16,412.60
  4. Step 4: Simplify right side
    19,231.40x = 473,455,913.46
  5. Step 5: Solve for x
    x = 473,455,913.46/19,231.40
  6. Step 6: Final answer
    x = 24,618.90

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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.