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Finding the Fourth Proportional to 13,826,951.60, 20,740,427.40 and 9,571,924.40

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Solution

The fourth proportional to 13,826,951.60, 20,740,427.40 and 9,571,924.40 is: 14,357,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,951.60 : 20,740,427.40 = 9,571,924.40 : x
  2. Step 2: Convert to fraction form
    13,826,951.60/20,740,427.40 = 9,571,924.40/x
  3. Step 3: Cross multiply
    13,826,951.60x = 20,740,427.40 × 9,571,924.40
  4. Step 4: Simplify right side
    13,826,951.60x = 198,525,803,096,488.56
  5. Step 5: Solve for x
    x = 198,525,803,096,488.56/13,826,951.60
  6. Step 6: Final answer
    x = 14,357,886.60

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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.