Home / 19,591.25-27,036.11-10,638.82

Finding the Fourth Proportional to 19,591.25, 27,036.11 and 10,638.82

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Solution

The fourth proportional to 19,591.25, 27,036.11 and 10,638.82 is: 14,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.25 : 27,036.11 = 10,638.82 : x
  2. Step 2: Convert to fraction form
    19,591.25/27,036.11 = 10,638.82/x
  3. Step 3: Cross multiply
    19,591.25x = 27,036.11 × 10,638.82
  4. Step 4: Simplify right side
    19,591.25x = 287,632,368.18
  5. Step 5: Solve for x
    x = 287,632,368.18/19,591.25
  6. Step 6: Final answer
    x = 14,681.68

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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.