Home / 16,815.94-23,207.63-12,559.61

Finding the Fourth Proportional to 16,815.94, 23,207.63 and 12,559.61

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Solution

The fourth proportional to 16,815.94, 23,207.63 and 12,559.61 is: 17,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.94 : 23,207.63 = 12,559.61 : x
  2. Step 2: Convert to fraction form
    16,815.94/23,207.63 = 12,559.61/x
  3. Step 3: Cross multiply
    16,815.94x = 23,207.63 × 12,559.61
  4. Step 4: Simplify right side
    16,815.94x = 291,478,697.19
  5. Step 5: Solve for x
    x = 291,478,697.19/16,815.94
  6. Step 6: Final answer
    x = 17,333.48

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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.