Home / 13,929.84-19,232.28-8,632.44

Finding the Fourth Proportional to 13,929.84, 19,232.28 and 8,632.44

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Solution

The fourth proportional to 13,929.84, 19,232.28 and 8,632.44 is: 11,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.84 : 19,232.28 = 8,632.44 : x
  2. Step 2: Convert to fraction form
    13,929.84/19,232.28 = 8,632.44/x
  3. Step 3: Cross multiply
    13,929.84x = 19,232.28 × 8,632.44
  4. Step 4: Simplify right side
    13,929.84x = 166,021,503.16
  5. Step 5: Solve for x
    x = 166,021,503.16/13,929.84
  6. Step 6: Final answer
    x = 11,918.41

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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.