Home / 17,786.81-26,683.28-7,925.87

Finding the Fourth Proportional to 17,786.81, 26,683.28 and 7,925.87

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Solution

The fourth proportional to 17,786.81, 26,683.28 and 7,925.87 is: 11,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.81 : 26,683.28 = 7,925.87 : x
  2. Step 2: Convert to fraction form
    17,786.81/26,683.28 = 7,925.87/x
  3. Step 3: Cross multiply
    17,786.81x = 26,683.28 × 7,925.87
  4. Step 4: Simplify right side
    17,786.81x = 211,488,208.45
  5. Step 5: Solve for x
    x = 211,488,208.45/17,786.81
  6. Step 6: Final answer
    x = 11,890.17

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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.