Home / 14,153.77-21,230.70-4,293.10

Finding the Fourth Proportional to 14,153.77, 21,230.70 and 4,293.10

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Solution

The fourth proportional to 14,153.77, 21,230.70 and 4,293.10 is: 6,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.77 : 21,230.70 = 4,293.10 : x
  2. Step 2: Convert to fraction form
    14,153.77/21,230.70 = 4,293.10/x
  3. Step 3: Cross multiply
    14,153.77x = 21,230.70 × 4,293.10
  4. Step 4: Simplify right side
    14,153.77x = 91,145,518.17
  5. Step 5: Solve for x
    x = 91,145,518.17/14,153.77
  6. Step 6: Final answer
    x = 6,439.66

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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.