Home / 19,879.18-27,433.55-10,927.51

Finding the Fourth Proportional to 19,879.18, 27,433.55 and 10,927.51

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Solution

The fourth proportional to 19,879.18, 27,433.55 and 10,927.51 is: 15,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.18 : 27,433.55 = 10,927.51 : x
  2. Step 2: Convert to fraction form
    19,879.18/27,433.55 = 10,927.51/x
  3. Step 3: Cross multiply
    19,879.18x = 27,433.55 × 10,927.51
  4. Step 4: Simplify right side
    19,879.18x = 299,780,391.96
  5. Step 5: Solve for x
    x = 299,780,391.96/19,879.18
  6. Step 6: Final answer
    x = 15,080.12

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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.