Home / 15,839.02-21,860.30-9,033.05

Finding the Fourth Proportional to 15,839.02, 21,860.30 and 9,033.05

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Solution

The fourth proportional to 15,839.02, 21,860.30 and 9,033.05 is: 12,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.02 : 21,860.30 = 9,033.05 : x
  2. Step 2: Convert to fraction form
    15,839.02/21,860.30 = 9,033.05/x
  3. Step 3: Cross multiply
    15,839.02x = 21,860.30 × 9,033.05
  4. Step 4: Simplify right side
    15,839.02x = 197,465,137.75
  5. Step 5: Solve for x
    x = 197,465,137.75/15,839.02
  6. Step 6: Final answer
    x = 12,467.01

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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.