Home / 18,995.47-26,215.31-10,499.24

Finding the Fourth Proportional to 18,995.47, 26,215.31 and 10,499.24

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Solution

The fourth proportional to 18,995.47, 26,215.31 and 10,499.24 is: 14,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.47 : 26,215.31 = 10,499.24 : x
  2. Step 2: Convert to fraction form
    18,995.47/26,215.31 = 10,499.24/x
  3. Step 3: Cross multiply
    18,995.47x = 26,215.31 × 10,499.24
  4. Step 4: Simplify right side
    18,995.47x = 275,240,923.15
  5. Step 5: Solve for x
    x = 275,240,923.15/18,995.47
  6. Step 6: Final answer
    x = 14,489.82

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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.