Home / 14,918.84-22,373.69-4,921.75

Finding the Fourth Proportional to 14,918.84, 22,373.69 and 4,921.75

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Solution

The fourth proportional to 14,918.84, 22,373.69 and 4,921.75 is: 7,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.84 : 22,373.69 = 4,921.75 : x
  2. Step 2: Convert to fraction form
    14,918.84/22,373.69 = 4,921.75/x
  3. Step 3: Cross multiply
    14,918.84x = 22,373.69 × 4,921.75
  4. Step 4: Simplify right side
    14,918.84x = 110,117,627.79
  5. Step 5: Solve for x
    x = 110,117,627.79/14,918.84
  6. Step 6: Final answer
    x = 7,381.11

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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.