Home / 50,012.08-75,016.08-12,572.40

Finding the Fourth Proportional to 50,012.08, 75,016.08 and 12,572.40

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Solution

The fourth proportional to 50,012.08, 75,016.08 and 12,572.40 is: 18,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.08 : 75,016.08 = 12,572.40 : x
  2. Step 2: Convert to fraction form
    50,012.08/75,016.08 = 12,572.40/x
  3. Step 3: Cross multiply
    50,012.08x = 75,016.08 × 12,572.40
  4. Step 4: Simplify right side
    50,012.08x = 943,132,164.19
  5. Step 5: Solve for x
    x = 943,132,164.19/50,012.08
  6. Step 6: Final answer
    x = 18,858.09

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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.