Home / 19,257.40-28,886.10-16,438.60

Finding the Fourth Proportional to 19,257.40, 28,886.10 and 16,438.60

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Solution

The fourth proportional to 19,257.40, 28,886.10 and 16,438.60 is: 24,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.40 : 28,886.10 = 16,438.60 : x
  2. Step 2: Convert to fraction form
    19,257.40/28,886.10 = 16,438.60/x
  3. Step 3: Cross multiply
    19,257.40x = 28,886.10 × 16,438.60
  4. Step 4: Simplify right side
    19,257.40x = 474,847,043.46
  5. Step 5: Solve for x
    x = 474,847,043.46/19,257.40
  6. Step 6: Final answer
    x = 24,657.90

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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.