Home / 20,694.99-31,014.53-14,838.75

Finding the Fourth Proportional to 20,694.99, 31,014.53 and 14,838.75

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Solution

The fourth proportional to 20,694.99, 31,014.53 and 14,838.75 is: 22,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.99 : 31,014.53 = 14,838.75 : x
  2. Step 2: Convert to fraction form
    20,694.99/31,014.53 = 14,838.75/x
  3. Step 3: Cross multiply
    20,694.99x = 31,014.53 × 14,838.75
  4. Step 4: Simplify right side
    20,694.99x = 460,216,782.84
  5. Step 5: Solve for x
    x = 460,216,782.84/20,694.99
  6. Step 6: Final answer
    x = 22,238.08

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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.