Home / 13,624.65-20,437.04-4,137.05

Finding the Fourth Proportional to 13,624.65, 20,437.04 and 4,137.05

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Solution

The fourth proportional to 13,624.65, 20,437.04 and 4,137.05 is: 6,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.65 : 20,437.04 = 4,137.05 : x
  2. Step 2: Convert to fraction form
    13,624.65/20,437.04 = 4,137.05/x
  3. Step 3: Cross multiply
    13,624.65x = 20,437.04 × 4,137.05
  4. Step 4: Simplify right side
    13,624.65x = 84,549,056.33
  5. Step 5: Solve for x
    x = 84,549,056.33/13,624.65
  6. Step 6: Final answer
    x = 6,205.59

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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.