Home / 19,465.55-26,864.56-11,916.96

Finding the Fourth Proportional to 19,465.55, 26,864.56 and 11,916.96

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Solution

The fourth proportional to 19,465.55, 26,864.56 and 11,916.96 is: 16,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.55 : 26,864.56 = 11,916.96 : x
  2. Step 2: Convert to fraction form
    19,465.55/26,864.56 = 11,916.96/x
  3. Step 3: Cross multiply
    19,465.55x = 26,864.56 × 11,916.96
  4. Step 4: Simplify right side
    19,465.55x = 320,143,801.09
  5. Step 5: Solve for x
    x = 320,143,801.09/19,465.55
  6. Step 6: Final answer
    x = 16,446.69

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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.