Home / 12,885.84-19,329.71-4,000.01

Finding the Fourth Proportional to 12,885.84, 19,329.71 and 4,000.01

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Solution

The fourth proportional to 12,885.84, 19,329.71 and 4,000.01 is: 6,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.84 : 19,329.71 = 4,000.01 : x
  2. Step 2: Convert to fraction form
    12,885.84/19,329.71 = 4,000.01/x
  3. Step 3: Cross multiply
    12,885.84x = 19,329.71 × 4,000.01
  4. Step 4: Simplify right side
    12,885.84x = 77,318,916.65
  5. Step 5: Solve for x
    x = 77,318,916.65/12,885.84
  6. Step 6: Final answer
    x = 6,000.30

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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.