Home / 14,921.64-22,383.86-4,391.66

Finding the Fourth Proportional to 14,921.64, 22,383.86 and 4,391.66

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Solution

The fourth proportional to 14,921.64, 22,383.86 and 4,391.66 is: 6,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.64 : 22,383.86 = 4,391.66 : x
  2. Step 2: Convert to fraction form
    14,921.64/22,383.86 = 4,391.66/x
  3. Step 3: Cross multiply
    14,921.64x = 22,383.86 × 4,391.66
  4. Step 4: Simplify right side
    14,921.64x = 98,302,381.06
  5. Step 5: Solve for x
    x = 98,302,381.06/14,921.64
  6. Step 6: Final answer
    x = 6,587.91

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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.