Home / 19,012.16-26,230.28-11,455.65

Finding the Fourth Proportional to 19,012.16, 26,230.28 and 11,455.65

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Solution

The fourth proportional to 19,012.16, 26,230.28 and 11,455.65 is: 15,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.16 : 26,230.28 = 11,455.65 : x
  2. Step 2: Convert to fraction form
    19,012.16/26,230.28 = 11,455.65/x
  3. Step 3: Cross multiply
    19,012.16x = 26,230.28 × 11,455.65
  4. Step 4: Simplify right side
    19,012.16x = 300,484,849.80
  5. Step 5: Solve for x
    x = 300,484,849.80/19,012.16
  6. Step 6: Final answer
    x = 15,804.88

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Double scale
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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.