Home / 15,962.64-22,028.46-8,889.06

Finding the Fourth Proportional to 15,962.64, 22,028.46 and 8,889.06

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Solution

The fourth proportional to 15,962.64, 22,028.46 and 8,889.06 is: 12,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.64 : 22,028.46 = 8,889.06 : x
  2. Step 2: Convert to fraction form
    15,962.64/22,028.46 = 8,889.06/x
  3. Step 3: Cross multiply
    15,962.64x = 22,028.46 × 8,889.06
  4. Step 4: Simplify right side
    15,962.64x = 195,812,302.65
  5. Step 5: Solve for x
    x = 195,812,302.65/15,962.64
  6. Step 6: Final answer
    x = 12,266.91

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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.