Home / 18,430.31-25,433.84-10,046.81

Finding the Fourth Proportional to 18,430.31, 25,433.84 and 10,046.81

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Solution

The fourth proportional to 18,430.31, 25,433.84 and 10,046.81 is: 13,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.31 : 25,433.84 = 10,046.81 : x
  2. Step 2: Convert to fraction form
    18,430.31/25,433.84 = 10,046.81/x
  3. Step 3: Cross multiply
    18,430.31x = 25,433.84 × 10,046.81
  4. Step 4: Simplify right side
    18,430.31x = 255,529,046.75
  5. Step 5: Solve for x
    x = 255,529,046.75/18,430.31
  6. Step 6: Final answer
    x = 13,864.61

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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.