Home / 13,916.47-19,207.62-12,795.62

Finding the Fourth Proportional to 13,916.47, 19,207.62 and 12,795.62

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Solution

The fourth proportional to 13,916.47, 19,207.62 and 12,795.62 is: 17,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.47 : 19,207.62 = 12,795.62 : x
  2. Step 2: Convert to fraction form
    13,916.47/19,207.62 = 12,795.62/x
  3. Step 3: Cross multiply
    13,916.47x = 19,207.62 × 12,795.62
  4. Step 4: Simplify right side
    13,916.47x = 245,773,406.62
  5. Step 5: Solve for x
    x = 245,773,406.62/13,916.47
  6. Step 6: Final answer
    x = 17,660.61

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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.