Home / 14,637.75-21,960.12-4,777.05

Finding the Fourth Proportional to 14,637.75, 21,960.12 and 4,777.05

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Solution

The fourth proportional to 14,637.75, 21,960.12 and 4,777.05 is: 7,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.75 : 21,960.12 = 4,777.05 : x
  2. Step 2: Convert to fraction form
    14,637.75/21,960.12 = 4,777.05/x
  3. Step 3: Cross multiply
    14,637.75x = 21,960.12 × 4,777.05
  4. Step 4: Simplify right side
    14,637.75x = 104,904,591.25
  5. Step 5: Solve for x
    x = 104,904,591.25/14,637.75
  6. Step 6: Final answer
    x = 7,166.72

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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.