Home / 18,411.10-25,407.06-10,453.26

Finding the Fourth Proportional to 18,411.10, 25,407.06 and 10,453.26

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Solution

The fourth proportional to 18,411.10, 25,407.06 and 10,453.26 is: 14,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.10 : 25,407.06 = 10,453.26 : x
  2. Step 2: Convert to fraction form
    18,411.10/25,407.06 = 10,453.26/x
  3. Step 3: Cross multiply
    18,411.10x = 25,407.06 × 10,453.26
  4. Step 4: Simplify right side
    18,411.10x = 265,586,604.02
  5. Step 5: Solve for x
    x = 265,586,604.02/18,411.10
  6. Step 6: Final answer
    x = 14,425.35

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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.