Home / 18,605.08-25,668.66-11,528.92

Finding the Fourth Proportional to 18,605.08, 25,668.66 and 11,528.92

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Solution

The fourth proportional to 18,605.08, 25,668.66 and 11,528.92 is: 15,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.08 : 25,668.66 = 11,528.92 : x
  2. Step 2: Convert to fraction form
    18,605.08/25,668.66 = 11,528.92/x
  3. Step 3: Cross multiply
    18,605.08x = 25,668.66 × 11,528.92
  4. Step 4: Simplify right side
    18,605.08x = 295,931,927.65
  5. Step 5: Solve for x
    x = 295,931,927.65/18,605.08
  6. Step 6: Final answer
    x = 15,905.97

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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.