Home / 16,967.43-25,430.20-12,303.45

Finding the Fourth Proportional to 16,967.43, 25,430.20 and 12,303.45

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Solution

The fourth proportional to 16,967.43, 25,430.20 and 12,303.45 is: 18,439.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.43 : 25,430.20 = 12,303.45 : x
  2. Step 2: Convert to fraction form
    16,967.43/25,430.20 = 12,303.45/x
  3. Step 3: Cross multiply
    16,967.43x = 25,430.20 × 12,303.45
  4. Step 4: Simplify right side
    16,967.43x = 312,879,194.19
  5. Step 5: Solve for x
    x = 312,879,194.19/16,967.43
  6. Step 6: Final answer
    x = 18,439.99

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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.