Home / 16,069.76-22,129.44-13,711.04

Finding the Fourth Proportional to 16,069.76, 22,129.44 and 13,711.04

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Solution

The fourth proportional to 16,069.76, 22,129.44 and 13,711.04 is: 18,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,069.76 : 22,129.44 = 13,711.04 : x
  2. Step 2: Convert to fraction form
    16,069.76/22,129.44 = 13,711.04/x
  3. Step 3: Cross multiply
    16,069.76x = 22,129.44 × 13,711.04
  4. Step 4: Simplify right side
    16,069.76x = 303,417,637.02
  5. Step 5: Solve for x
    x = 303,417,637.02/16,069.76
  6. Step 6: Final answer
    x = 18,881.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.