Home / 19,619.36-27,082.56-12,068.76

Finding the Fourth Proportional to 19,619.36, 27,082.56 and 12,068.76

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Solution

The fourth proportional to 19,619.36, 27,082.56 and 12,068.76 is: 16,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.36 : 27,082.56 = 12,068.76 : x
  2. Step 2: Convert to fraction form
    19,619.36/27,082.56 = 12,068.76/x
  3. Step 3: Cross multiply
    19,619.36x = 27,082.56 × 12,068.76
  4. Step 4: Simplify right side
    19,619.36x = 326,852,916.83
  5. Step 5: Solve for x
    x = 326,852,916.83/19,619.36
  6. Step 6: Final answer
    x = 16,659.71

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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.