Home / 19,591.37-27,036.29-10,638.95

Finding the Fourth Proportional to 19,591.37, 27,036.29 and 10,638.95

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Solution

The fourth proportional to 19,591.37, 27,036.29 and 10,638.95 is: 14,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.37 : 27,036.29 = 10,638.95 : x
  2. Step 2: Convert to fraction form
    19,591.37/27,036.29 = 10,638.95/x
  3. Step 3: Cross multiply
    19,591.37x = 27,036.29 × 10,638.95
  4. Step 4: Simplify right side
    19,591.37x = 287,637,684.30
  5. Step 5: Solve for x
    x = 287,637,684.30/19,591.37
  6. Step 6: Final answer
    x = 14,681.86

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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.