Home / 19,439.16-29,153.84-5,588.16

Finding the Fourth Proportional to 19,439.16, 29,153.84 and 5,588.16

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Solution

The fourth proportional to 19,439.16, 29,153.84 and 5,588.16 is: 8,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.16 : 29,153.84 = 5,588.16 : x
  2. Step 2: Convert to fraction form
    19,439.16/29,153.84 = 5,588.16/x
  3. Step 3: Cross multiply
    19,439.16x = 29,153.84 × 5,588.16
  4. Step 4: Simplify right side
    19,439.16x = 162,916,322.53
  5. Step 5: Solve for x
    x = 162,916,322.53/19,439.16
  6. Step 6: Final answer
    x = 8,380.83

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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.