Home / 19,213.31-26,514.32-10,715.45

Finding the Fourth Proportional to 19,213.31, 26,514.32 and 10,715.45

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Solution

The fourth proportional to 19,213.31, 26,514.32 and 10,715.45 is: 14,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.31 : 26,514.32 = 10,715.45 : x
  2. Step 2: Convert to fraction form
    19,213.31/26,514.32 = 10,715.45/x
  3. Step 3: Cross multiply
    19,213.31x = 26,514.32 × 10,715.45
  4. Step 4: Simplify right side
    19,213.31x = 284,112,684.10
  5. Step 5: Solve for x
    x = 284,112,684.10/19,213.31
  6. Step 6: Final answer
    x = 14,787.28

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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.