Home / 19,213.55-26,514.64-10,715.68

Finding the Fourth Proportional to 19,213.55, 26,514.64 and 10,715.68

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Solution

The fourth proportional to 19,213.55, 26,514.64 and 10,715.68 is: 14,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.55 : 26,514.64 = 10,715.68 : x
  2. Step 2: Convert to fraction form
    19,213.55/26,514.64 = 10,715.68/x
  3. Step 3: Cross multiply
    19,213.55x = 26,514.64 × 10,715.68
  4. Step 4: Simplify right side
    19,213.55x = 284,122,444.09
  5. Step 5: Solve for x
    x = 284,122,444.09/19,213.55
  6. Step 6: Final answer
    x = 14,787.61

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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.