Home / 14,271.74-21,402.29-4,909.11

Finding the Fourth Proportional to 14,271.74, 21,402.29 and 4,909.11

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Solution

The fourth proportional to 14,271.74, 21,402.29 and 4,909.11 is: 7,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.74 : 21,402.29 = 4,909.11 : x
  2. Step 2: Convert to fraction form
    14,271.74/21,402.29 = 4,909.11/x
  3. Step 3: Cross multiply
    14,271.74x = 21,402.29 × 4,909.11
  4. Step 4: Simplify right side
    14,271.74x = 105,066,171.32
  5. Step 5: Solve for x
    x = 105,066,171.32/14,271.74
  6. Step 6: Final answer
    x = 7,361.83

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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.