Home / 16,690.96-25,036.38-4,211.02

Finding the Fourth Proportional to 16,690.96, 25,036.38 and 4,211.02

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Solution

The fourth proportional to 16,690.96, 25,036.38 and 4,211.02 is: 6,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.96 : 25,036.38 = 4,211.02 : x
  2. Step 2: Convert to fraction form
    16,690.96/25,036.38 = 4,211.02/x
  3. Step 3: Cross multiply
    16,690.96x = 25,036.38 × 4,211.02
  4. Step 4: Simplify right side
    16,690.96x = 105,428,696.91
  5. Step 5: Solve for x
    x = 105,428,696.91/16,690.96
  6. Step 6: Final answer
    x = 6,316.51

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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.