Home / 15,964.56-22,027.14-8,889.21

Finding the Fourth Proportional to 15,964.56, 22,027.14 and 8,889.21

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Solution

The fourth proportional to 15,964.56, 22,027.14 and 8,889.21 is: 12,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.56 : 22,027.14 = 8,889.21 : x
  2. Step 2: Convert to fraction form
    15,964.56/22,027.14 = 8,889.21/x
  3. Step 3: Cross multiply
    15,964.56x = 22,027.14 × 8,889.21
  4. Step 4: Simplify right side
    15,964.56x = 195,803,873.16
  5. Step 5: Solve for x
    x = 195,803,873.16/15,964.56
  6. Step 6: Final answer
    x = 12,264.91

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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.