Home / 19,276.81-26,605.08-11,318.98

Finding the Fourth Proportional to 19,276.81, 26,605.08 and 11,318.98

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Solution

The fourth proportional to 19,276.81, 26,605.08 and 11,318.98 is: 15,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.81 : 26,605.08 = 11,318.98 : x
  2. Step 2: Convert to fraction form
    19,276.81/26,605.08 = 11,318.98/x
  3. Step 3: Cross multiply
    19,276.81x = 26,605.08 × 11,318.98
  4. Step 4: Simplify right side
    19,276.81x = 301,142,346.21
  5. Step 5: Solve for x
    x = 301,142,346.21/19,276.81
  6. Step 6: Final answer
    x = 15,622.00

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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.