Home / 18,585.99-25,642.41-11,875.54

Finding the Fourth Proportional to 18,585.99, 25,642.41 and 11,875.54

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Solution

The fourth proportional to 18,585.99, 25,642.41 and 11,875.54 is: 16,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.99 : 25,642.41 = 11,875.54 : x
  2. Step 2: Convert to fraction form
    18,585.99/25,642.41 = 11,875.54/x
  3. Step 3: Cross multiply
    18,585.99x = 25,642.41 × 11,875.54
  4. Step 4: Simplify right side
    18,585.99x = 304,517,465.65
  5. Step 5: Solve for x
    x = 304,517,465.65/18,585.99
  6. Step 6: Final answer
    x = 16,384.25

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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.