Home / 16,929.36-23,364.36-9,477.36

Finding the Fourth Proportional to 16,929.36, 23,364.36 and 9,477.36

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Solution

The fourth proportional to 16,929.36, 23,364.36 and 9,477.36 is: 13,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.36 : 23,364.36 = 9,477.36 : x
  2. Step 2: Convert to fraction form
    16,929.36/23,364.36 = 9,477.36/x
  3. Step 3: Cross multiply
    16,929.36x = 23,364.36 × 9,477.36
  4. Step 4: Simplify right side
    16,929.36x = 221,432,450.89
  5. Step 5: Solve for x
    x = 221,432,450.89/16,929.36
  6. Step 6: Final answer
    x = 13,079.79

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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.