Home / 18,050.08-24,928.64-12,399.72

Finding the Fourth Proportional to 18,050.08, 24,928.64 and 12,399.72

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Solution

The fourth proportional to 18,050.08, 24,928.64 and 12,399.72 is: 17,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.08 : 24,928.64 = 12,399.72 : x
  2. Step 2: Convert to fraction form
    18,050.08/24,928.64 = 12,399.72/x
  3. Step 3: Cross multiply
    18,050.08x = 24,928.64 × 12,399.72
  4. Step 4: Simplify right side
    18,050.08x = 309,108,155.98
  5. Step 5: Solve for x
    x = 309,108,155.98/18,050.08
  6. Step 6: Final answer
    x = 17,125.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.