Home / 15,969.12-23,943.64-4,872.12

Finding the Fourth Proportional to 15,969.12, 23,943.64 and 4,872.12

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Solution

The fourth proportional to 15,969.12, 23,943.64 and 4,872.12 is: 7,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.12 : 23,943.64 = 4,872.12 : x
  2. Step 2: Convert to fraction form
    15,969.12/23,943.64 = 4,872.12/x
  3. Step 3: Cross multiply
    15,969.12x = 23,943.64 × 4,872.12
  4. Step 4: Simplify right side
    15,969.12x = 116,656,287.32
  5. Step 5: Solve for x
    x = 116,656,287.32/15,969.12
  6. Step 6: Final answer
    x = 7,305.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.