Home / 19,436.85-29,133.18-8,337.87

Finding the Fourth Proportional to 19,436.85, 29,133.18 and 8,337.87

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Solution

The fourth proportional to 19,436.85, 29,133.18 and 8,337.87 is: 12,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.85 : 29,133.18 = 8,337.87 : x
  2. Step 2: Convert to fraction form
    19,436.85/29,133.18 = 8,337.87/x
  3. Step 3: Cross multiply
    19,436.85x = 29,133.18 × 8,337.87
  4. Step 4: Simplify right side
    19,436.85x = 242,908,667.53
  5. Step 5: Solve for x
    x = 242,908,667.53/19,436.85
  6. Step 6: Final answer
    x = 12,497.33

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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.