Home / 15,996.40-22,069.20-10,028.32

Finding the Fourth Proportional to 15,996.40, 22,069.20 and 10,028.32

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Solution

The fourth proportional to 15,996.40, 22,069.20 and 10,028.32 is: 13,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.40 : 22,069.20 = 10,028.32 : x
  2. Step 2: Convert to fraction form
    15,996.40/22,069.20 = 10,028.32/x
  3. Step 3: Cross multiply
    15,996.40x = 22,069.20 × 10,028.32
  4. Step 4: Simplify right side
    15,996.40x = 221,316,999.74
  5. Step 5: Solve for x
    x = 221,316,999.74/15,996.40
  6. Step 6: Final answer
    x = 13,835.43

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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.