Home / 14,359.68-19,815.28-8,697.60

Finding the Fourth Proportional to 14,359.68, 19,815.28 and 8,697.60

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Solution

The fourth proportional to 14,359.68, 19,815.28 and 8,697.60 is: 12,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.68 : 19,815.28 = 8,697.60 : x
  2. Step 2: Convert to fraction form
    14,359.68/19,815.28 = 8,697.60/x
  3. Step 3: Cross multiply
    14,359.68x = 19,815.28 × 8,697.60
  4. Step 4: Simplify right side
    14,359.68x = 172,345,379.33
  5. Step 5: Solve for x
    x = 172,345,379.33/14,359.68
  6. Step 6: Final answer
    x = 12,002.03

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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.