Home / 18,726.64-25,848.08-11,077

Finding the Fourth Proportional to 18,726.64, 25,848.08 and 11,077

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Solution

The fourth proportional to 18,726.64, 25,848.08 and 11,077 is: 15,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.64 : 25,848.08 = 11,077 : x
  2. Step 2: Convert to fraction form
    18,726.64/25,848.08 = 11,077/x
  3. Step 3: Cross multiply
    18,726.64x = 25,848.08 × 11,077
  4. Step 4: Simplify right side
    18,726.64x = 286,319,182.16
  5. Step 5: Solve for x
    x = 286,319,182.16/18,726.64
  6. Step 6: Final answer
    x = 15,289.40

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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.