Home / 13,302.23-18,357.90-7,333.89

Finding the Fourth Proportional to 13,302.23, 18,357.90 and 7,333.89

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Solution

The fourth proportional to 13,302.23, 18,357.90 and 7,333.89 is: 10,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.23 : 18,357.90 = 7,333.89 : x
  2. Step 2: Convert to fraction form
    13,302.23/18,357.90 = 7,333.89/x
  3. Step 3: Cross multiply
    13,302.23x = 18,357.90 × 7,333.89
  4. Step 4: Simplify right side
    13,302.23x = 134,634,819.23
  5. Step 5: Solve for x
    x = 134,634,819.23/13,302.23
  6. Step 6: Final answer
    x = 10,121.22

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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.