Home / 15,797.40-21,803.28-9,424.44

Finding the Fourth Proportional to 15,797.40, 21,803.28 and 9,424.44

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Solution

The fourth proportional to 15,797.40, 21,803.28 and 9,424.44 is: 13,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.40 : 21,803.28 = 9,424.44 : x
  2. Step 2: Convert to fraction form
    15,797.40/21,803.28 = 9,424.44/x
  3. Step 3: Cross multiply
    15,797.40x = 21,803.28 × 9,424.44
  4. Step 4: Simplify right side
    15,797.40x = 205,483,704.16
  5. Step 5: Solve for x
    x = 205,483,704.16/15,797.40
  6. Step 6: Final answer
    x = 13,007.44

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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.