Home / 19,011.90-26,232.21-11,935.74

Finding the Fourth Proportional to 19,011.90, 26,232.21 and 11,935.74

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Solution

The fourth proportional to 19,011.90, 26,232.21 and 11,935.74 is: 16,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.90 : 26,232.21 = 11,935.74 : x
  2. Step 2: Convert to fraction form
    19,011.90/26,232.21 = 11,935.74/x
  3. Step 3: Cross multiply
    19,011.90x = 26,232.21 × 11,935.74
  4. Step 4: Simplify right side
    19,011.90x = 313,100,838.19
  5. Step 5: Solve for x
    x = 313,100,838.19/19,011.90
  6. Step 6: Final answer
    x = 16,468.68

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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.