Home / 16,385.32-22,611.14-8,933.16

Finding the Fourth Proportional to 16,385.32, 22,611.14 and 8,933.16

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Solution

The fourth proportional to 16,385.32, 22,611.14 and 8,933.16 is: 12,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.32 : 22,611.14 = 8,933.16 : x
  2. Step 2: Convert to fraction form
    16,385.32/22,611.14 = 8,933.16/x
  3. Step 3: Cross multiply
    16,385.32x = 22,611.14 × 8,933.16
  4. Step 4: Simplify right side
    16,385.32x = 201,988,931.40
  5. Step 5: Solve for x
    x = 201,988,931.40/16,385.32
  6. Step 6: Final answer
    x = 12,327.43

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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.