Home / 13,941.65-19,239.51-7,654.43

Finding the Fourth Proportional to 13,941.65, 19,239.51 and 7,654.43

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Solution

The fourth proportional to 13,941.65, 19,239.51 and 7,654.43 is: 10,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.65 : 19,239.51 = 7,654.43 : x
  2. Step 2: Convert to fraction form
    13,941.65/19,239.51 = 7,654.43/x
  3. Step 3: Cross multiply
    13,941.65x = 19,239.51 × 7,654.43
  4. Step 4: Simplify right side
    13,941.65x = 147,267,348.06
  5. Step 5: Solve for x
    x = 147,267,348.06/13,941.65
  6. Step 6: Final answer
    x = 10,563.13

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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.