Home / 13,403.50-18,494.08-7,433.89

Finding the Fourth Proportional to 13,403.50, 18,494.08 and 7,433.89

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Solution

The fourth proportional to 13,403.50, 18,494.08 and 7,433.89 is: 10,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.50 : 18,494.08 = 7,433.89 : x
  2. Step 2: Convert to fraction form
    13,403.50/18,494.08 = 7,433.89/x
  3. Step 3: Cross multiply
    13,403.50x = 18,494.08 × 7,433.89
  4. Step 4: Simplify right side
    13,403.50x = 137,482,956.37
  5. Step 5: Solve for x
    x = 137,482,956.37/13,403.50
  6. Step 6: Final answer
    x = 10,257.24

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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.