Home / 19,475.83-26,869.26-11,916.10

Finding the Fourth Proportional to 19,475.83, 26,869.26 and 11,916.10

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Solution

The fourth proportional to 19,475.83, 26,869.26 and 11,916.10 is: 16,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.83 : 26,869.26 = 11,916.10 : x
  2. Step 2: Convert to fraction form
    19,475.83/26,869.26 = 11,916.10/x
  3. Step 3: Cross multiply
    19,475.83x = 26,869.26 × 11,916.10
  4. Step 4: Simplify right side
    19,475.83x = 320,176,789.09
  5. Step 5: Solve for x
    x = 320,176,789.09/19,475.83
  6. Step 6: Final answer
    x = 16,439.70

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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.