Home / 19,077.32-26,328.36-11,119.37

Finding the Fourth Proportional to 19,077.32, 26,328.36 and 11,119.37

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Solution

The fourth proportional to 19,077.32, 26,328.36 and 11,119.37 is: 15,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.32 : 26,328.36 = 11,119.37 : x
  2. Step 2: Convert to fraction form
    19,077.32/26,328.36 = 11,119.37/x
  3. Step 3: Cross multiply
    19,077.32x = 26,328.36 × 11,119.37
  4. Step 4: Simplify right side
    19,077.32x = 292,754,776.33
  5. Step 5: Solve for x
    x = 292,754,776.33/19,077.32
  6. Step 6: Final answer
    x = 15,345.70

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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.