Home / 18,431.34-25,435.26-10,047.84

Finding the Fourth Proportional to 18,431.34, 25,435.26 and 10,047.84

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Solution

The fourth proportional to 18,431.34, 25,435.26 and 10,047.84 is: 13,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.34 : 25,435.26 = 10,047.84 : x
  2. Step 2: Convert to fraction form
    18,431.34/25,435.26 = 10,047.84/x
  3. Step 3: Cross multiply
    18,431.34x = 25,435.26 × 10,047.84
  4. Step 4: Simplify right side
    18,431.34x = 255,569,422.84
  5. Step 5: Solve for x
    x = 255,569,422.84/18,431.34
  6. Step 6: Final answer
    x = 13,866.03

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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.