Home / 19,925.49-27,497.91-12,375.99

Finding the Fourth Proportional to 19,925.49, 27,497.91 and 12,375.99

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Solution

The fourth proportional to 19,925.49, 27,497.91 and 12,375.99 is: 17,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.49 : 27,497.91 = 12,375.99 : x
  2. Step 2: Convert to fraction form
    19,925.49/27,497.91 = 12,375.99/x
  3. Step 3: Cross multiply
    19,925.49x = 27,497.91 × 12,375.99
  4. Step 4: Simplify right side
    19,925.49x = 340,313,905.59
  5. Step 5: Solve for x
    x = 340,313,905.59/19,925.49
  6. Step 6: Final answer
    x = 17,079.32

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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.