Home / 14,354.89-21,534.64-4,997.57

Finding the Fourth Proportional to 14,354.89, 21,534.64 and 4,997.57

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Solution

The fourth proportional to 14,354.89, 21,534.64 and 4,997.57 is: 7,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.89 : 21,534.64 = 4,997.57 : x
  2. Step 2: Convert to fraction form
    14,354.89/21,534.64 = 4,997.57/x
  3. Step 3: Cross multiply
    14,354.89x = 21,534.64 × 4,997.57
  4. Step 4: Simplify right side
    14,354.89x = 107,620,870.82
  5. Step 5: Solve for x
    x = 107,620,870.82/14,354.89
  6. Step 6: Final answer
    x = 7,497.16

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1.5x scale

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.