Home / 15,303.44-21,127.56-10,274.96

Finding the Fourth Proportional to 15,303.44, 21,127.56 and 10,274.96

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Solution

The fourth proportional to 15,303.44, 21,127.56 and 10,274.96 is: 14,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.44 : 21,127.56 = 10,274.96 : x
  2. Step 2: Convert to fraction form
    15,303.44/21,127.56 = 10,274.96/x
  3. Step 3: Cross multiply
    15,303.44x = 21,127.56 × 10,274.96
  4. Step 4: Simplify right side
    15,303.44x = 217,084,833.90
  5. Step 5: Solve for x
    x = 217,084,833.90/15,303.44
  6. Step 6: Final answer
    x = 14,185.36

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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.