Home / 16,123.68-22,263.12-12,994.56

Finding the Fourth Proportional to 16,123.68, 22,263.12 and 12,994.56

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Solution

The fourth proportional to 16,123.68, 22,263.12 and 12,994.56 is: 17,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.68 : 22,263.12 = 12,994.56 : x
  2. Step 2: Convert to fraction form
    16,123.68/22,263.12 = 12,994.56/x
  3. Step 3: Cross multiply
    16,123.68x = 22,263.12 × 12,994.56
  4. Step 4: Simplify right side
    16,123.68x = 289,299,448.63
  5. Step 5: Solve for x
    x = 289,299,448.63/16,123.68
  6. Step 6: Final answer
    x = 17,942.52

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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.