Home / 18,400.67-25,393.04-10,443.03

Finding the Fourth Proportional to 18,400.67, 25,393.04 and 10,443.03

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Solution

The fourth proportional to 18,400.67, 25,393.04 and 10,443.03 is: 14,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.67 : 25,393.04 = 10,443.03 : x
  2. Step 2: Convert to fraction form
    18,400.67/25,393.04 = 10,443.03/x
  3. Step 3: Cross multiply
    18,400.67x = 25,393.04 × 10,443.03
  4. Step 4: Simplify right side
    18,400.67x = 265,180,228.98
  5. Step 5: Solve for x
    x = 265,180,228.98/18,400.67
  6. Step 6: Final answer
    x = 14,411.45

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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.