Home / 19,506-26,918.60-13,926.48

Finding the Fourth Proportional to 19,506, 26,918.60 and 13,926.48

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Solution

The fourth proportional to 19,506, 26,918.60 and 13,926.48 is: 19,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506 : 26,918.60 = 13,926.48 : x
  2. Step 2: Convert to fraction form
    19,506/26,918.60 = 13,926.48/x
  3. Step 3: Cross multiply
    19,506x = 26,918.60 × 13,926.48
  4. Step 4: Simplify right side
    19,506x = 374,881,344.53
  5. Step 5: Solve for x
    x = 374,881,344.53/19,506
  6. Step 6: Final answer
    x = 19,218.77

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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.