Home / 13,403.07-18,496.08-7,434.59

Finding the Fourth Proportional to 13,403.07, 18,496.08 and 7,434.59

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Solution

The fourth proportional to 13,403.07, 18,496.08 and 7,434.59 is: 10,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.07 : 18,496.08 = 7,434.59 : x
  2. Step 2: Convert to fraction form
    13,403.07/18,496.08 = 7,434.59/x
  3. Step 3: Cross multiply
    13,403.07x = 18,496.08 × 7,434.59
  4. Step 4: Simplify right side
    13,403.07x = 137,510,678.93
  5. Step 5: Solve for x
    x = 137,510,678.93/13,403.07
  6. Step 6: Final answer
    x = 10,259.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.