Home / 18,585.35-25,641.54-10,621.94

Finding the Fourth Proportional to 18,585.35, 25,641.54 and 10,621.94

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Solution

The fourth proportional to 18,585.35, 25,641.54 and 10,621.94 is: 14,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.35 : 25,641.54 = 10,621.94 : x
  2. Step 2: Convert to fraction form
    18,585.35/25,641.54 = 10,621.94/x
  3. Step 3: Cross multiply
    18,585.35x = 25,641.54 × 10,621.94
  4. Step 4: Simplify right side
    18,585.35x = 272,362,899.39
  5. Step 5: Solve for x
    x = 272,362,899.39/18,585.35
  6. Step 6: Final answer
    x = 14,654.71

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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.