Home / 19,966.10-29,948.84-5,173.77

Finding the Fourth Proportional to 19,966.10, 29,948.84 and 5,173.77

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Solution

The fourth proportional to 19,966.10, 29,948.84 and 5,173.77 is: 7,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.10 : 29,948.84 = 5,173.77 : x
  2. Step 2: Convert to fraction form
    19,966.10/29,948.84 = 5,173.77/x
  3. Step 3: Cross multiply
    19,966.10x = 29,948.84 × 5,173.77
  4. Step 4: Simplify right side
    19,966.10x = 154,948,515.77
  5. Step 5: Solve for x
    x = 154,948,515.77/19,966.10
  6. Step 6: Final answer
    x = 7,760.58

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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.