Home / 13,307.99-18,364.52-7,338.96

Finding the Fourth Proportional to 13,307.99, 18,364.52 and 7,338.96

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Solution

The fourth proportional to 13,307.99, 18,364.52 and 7,338.96 is: 10,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.99 : 18,364.52 = 7,338.96 : x
  2. Step 2: Convert to fraction form
    13,307.99/18,364.52 = 7,338.96/x
  3. Step 3: Cross multiply
    13,307.99x = 18,364.52 × 7,338.96
  4. Step 4: Simplify right side
    13,307.99x = 134,776,496.05
  5. Step 5: Solve for x
    x = 134,776,496.05/13,307.99
  6. Step 6: Final answer
    x = 10,127.49

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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.