Home / 19,327.80-28,905.30-16,217.40

Finding the Fourth Proportional to 19,327.80, 28,905.30 and 16,217.40

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Solution

The fourth proportional to 19,327.80, 28,905.30 and 16,217.40 is: 24,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.80 : 28,905.30 = 16,217.40 : x
  2. Step 2: Convert to fraction form
    19,327.80/28,905.30 = 16,217.40/x
  3. Step 3: Cross multiply
    19,327.80x = 28,905.30 × 16,217.40
  4. Step 4: Simplify right side
    19,327.80x = 468,768,812.22
  5. Step 5: Solve for x
    x = 468,768,812.22/19,327.80
  6. Step 6: Final answer
    x = 24,253.60

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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.