Home / 13,068.93-18,034.53-7,403.55

Finding the Fourth Proportional to 13,068.93, 18,034.53 and 7,403.55

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Solution

The fourth proportional to 13,068.93, 18,034.53 and 7,403.55 is: 10,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.93 : 18,034.53 = 7,403.55 : x
  2. Step 2: Convert to fraction form
    13,068.93/18,034.53 = 7,403.55/x
  3. Step 3: Cross multiply
    13,068.93x = 18,034.53 × 7,403.55
  4. Step 4: Simplify right side
    13,068.93x = 133,519,544.58
  5. Step 5: Solve for x
    x = 133,519,544.58/13,068.93
  6. Step 6: Final answer
    x = 10,216.56

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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.