Home / 19,528.13-26,961.78-12,089.09

Finding the Fourth Proportional to 19,528.13, 26,961.78 and 12,089.09

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Solution

The fourth proportional to 19,528.13, 26,961.78 and 12,089.09 is: 16,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.13 : 26,961.78 = 12,089.09 : x
  2. Step 2: Convert to fraction form
    19,528.13/26,961.78 = 12,089.09/x
  3. Step 3: Cross multiply
    19,528.13x = 26,961.78 × 12,089.09
  4. Step 4: Simplify right side
    19,528.13x = 325,943,250.17
  5. Step 5: Solve for x
    x = 325,943,250.17/19,528.13
  6. Step 6: Final answer
    x = 16,690.96

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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.