Home / 14,313.30-21,470.10-3,925.05

Finding the Fourth Proportional to 14,313.30, 21,470.10 and 3,925.05

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Solution

The fourth proportional to 14,313.30, 21,470.10 and 3,925.05 is: 5,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.30 : 21,470.10 = 3,925.05 : x
  2. Step 2: Convert to fraction form
    14,313.30/21,470.10 = 3,925.05/x
  3. Step 3: Cross multiply
    14,313.30x = 21,470.10 × 3,925.05
  4. Step 4: Simplify right side
    14,313.30x = 84,271,216.01
  5. Step 5: Solve for x
    x = 84,271,216.01/14,313.30
  6. Step 6: Final answer
    x = 5,887.62

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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.