Home / 14,177.04-19,563.84-7,889.28

Finding the Fourth Proportional to 14,177.04, 19,563.84 and 7,889.28

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Solution

The fourth proportional to 14,177.04, 19,563.84 and 7,889.28 is: 10,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.04 : 19,563.84 = 7,889.28 : x
  2. Step 2: Convert to fraction form
    14,177.04/19,563.84 = 7,889.28/x
  3. Step 3: Cross multiply
    14,177.04x = 19,563.84 × 7,889.28
  4. Step 4: Simplify right side
    14,177.04x = 154,344,611.64
  5. Step 5: Solve for x
    x = 154,344,611.64/14,177.04
  6. Step 6: Final answer
    x = 10,886.94

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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.