Home / 16,969.54-23,417.80-9,415.89

Finding the Fourth Proportional to 16,969.54, 23,417.80 and 9,415.89

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Solution

The fourth proportional to 16,969.54, 23,417.80 and 9,415.89 is: 12,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.54 : 23,417.80 = 9,415.89 : x
  2. Step 2: Convert to fraction form
    16,969.54/23,417.80 = 9,415.89/x
  3. Step 3: Cross multiply
    16,969.54x = 23,417.80 × 9,415.89
  4. Step 4: Simplify right side
    16,969.54x = 220,499,428.84
  5. Step 5: Solve for x
    x = 220,499,428.84/16,969.54
  6. Step 6: Final answer
    x = 12,993.84

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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.