Home / 19,077.88-26,328.51-11,119.63

Finding the Fourth Proportional to 19,077.88, 26,328.51 and 11,119.63

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Solution

The fourth proportional to 19,077.88, 26,328.51 and 11,119.63 is: 15,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.88 : 26,328.51 = 11,119.63 : x
  2. Step 2: Convert to fraction form
    19,077.88/26,328.51 = 11,119.63/x
  3. Step 3: Cross multiply
    19,077.88x = 26,328.51 × 11,119.63
  4. Step 4: Simplify right side
    19,077.88x = 292,763,289.65
  5. Step 5: Solve for x
    x = 292,763,289.65/19,077.88
  6. Step 6: Final answer
    x = 15,345.69

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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.