Home / 14,278.61-21,406.37-5,964.99

Finding the Fourth Proportional to 14,278.61, 21,406.37 and 5,964.99

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Solution

The fourth proportional to 14,278.61, 21,406.37 and 5,964.99 is: 8,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.61 : 21,406.37 = 5,964.99 : x
  2. Step 2: Convert to fraction form
    14,278.61/21,406.37 = 5,964.99/x
  3. Step 3: Cross multiply
    14,278.61x = 21,406.37 × 5,964.99
  4. Step 4: Simplify right side
    14,278.61x = 127,688,753.16
  5. Step 5: Solve for x
    x = 127,688,753.16/14,278.61
  6. Step 6: Final answer
    x = 8,942.66

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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.