Home / 19,592.84-27,028.08-12,511.80

Finding the Fourth Proportional to 19,592.84, 27,028.08 and 12,511.80

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Solution

The fourth proportional to 19,592.84, 27,028.08 and 12,511.80 is: 17,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.84 : 27,028.08 = 12,511.80 : x
  2. Step 2: Convert to fraction form
    19,592.84/27,028.08 = 12,511.80/x
  3. Step 3: Cross multiply
    19,592.84x = 27,028.08 × 12,511.80
  4. Step 4: Simplify right side
    19,592.84x = 338,169,931.34
  5. Step 5: Solve for x
    x = 338,169,931.34/19,592.84
  6. Step 6: Final answer
    x = 17,259.87

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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.