Home / 19,838.61-27,373.01-11,450.25

Finding the Fourth Proportional to 19,838.61, 27,373.01 and 11,450.25

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Solution

The fourth proportional to 19,838.61, 27,373.01 and 11,450.25 is: 15,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.61 : 27,373.01 = 11,450.25 : x
  2. Step 2: Convert to fraction form
    19,838.61/27,373.01 = 11,450.25/x
  3. Step 3: Cross multiply
    19,838.61x = 27,373.01 × 11,450.25
  4. Step 4: Simplify right side
    19,838.61x = 313,427,750.50
  5. Step 5: Solve for x
    x = 313,427,750.50/19,838.61
  6. Step 6: Final answer
    x = 15,798.88

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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.