Home / 17,154.41-25,723.40-7,288.31

Finding the Fourth Proportional to 17,154.41, 25,723.40 and 7,288.31

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Solution

The fourth proportional to 17,154.41, 25,723.40 and 7,288.31 is: 10,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.41 : 25,723.40 = 7,288.31 : x
  2. Step 2: Convert to fraction form
    17,154.41/25,723.40 = 7,288.31/x
  3. Step 3: Cross multiply
    17,154.41x = 25,723.40 × 7,288.31
  4. Step 4: Simplify right side
    17,154.41x = 187,480,141.32
  5. Step 5: Solve for x
    x = 187,480,141.32/17,154.41
  6. Step 6: Final answer
    x = 10,928.98

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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.