Home / 16,961.47-23,428.64-13,030.94

Finding the Fourth Proportional to 16,961.47, 23,428.64 and 13,030.94

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Solution

The fourth proportional to 16,961.47, 23,428.64 and 13,030.94 is: 17,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.47 : 23,428.64 = 13,030.94 : x
  2. Step 2: Convert to fraction form
    16,961.47/23,428.64 = 13,030.94/x
  3. Step 3: Cross multiply
    16,961.47x = 23,428.64 × 13,030.94
  4. Step 4: Simplify right side
    16,961.47x = 305,297,202.12
  5. Step 5: Solve for x
    x = 305,297,202.12/16,961.47
  6. Step 6: Final answer
    x = 17,999.45

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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.