Home / 19,607.35-29,394.61-13,666.81

Finding the Fourth Proportional to 19,607.35, 29,394.61 and 13,666.81

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Solution

The fourth proportional to 19,607.35, 29,394.61 and 13,666.81 is: 20,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.35 : 29,394.61 = 13,666.81 : x
  2. Step 2: Convert to fraction form
    19,607.35/29,394.61 = 13,666.81/x
  3. Step 3: Cross multiply
    19,607.35x = 29,394.61 × 13,666.81
  4. Step 4: Simplify right side
    19,607.35x = 401,730,549.89
  5. Step 5: Solve for x
    x = 401,730,549.89/19,607.35
  6. Step 6: Final answer
    x = 20,488.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.