Home / 16,999.20-25,498.62-5,312.52

Finding the Fourth Proportional to 16,999.20, 25,498.62 and 5,312.52

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Solution

The fourth proportional to 16,999.20, 25,498.62 and 5,312.52 is: 7,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.20 : 25,498.62 = 5,312.52 : x
  2. Step 2: Convert to fraction form
    16,999.20/25,498.62 = 5,312.52/x
  3. Step 3: Cross multiply
    16,999.20x = 25,498.62 × 5,312.52
  4. Step 4: Simplify right side
    16,999.20x = 135,461,928.72
  5. Step 5: Solve for x
    x = 135,461,928.72/16,999.20
  6. Step 6: Final answer
    x = 7,968.72

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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.