Home / 19,948.10-29,966.70-16,667.60

Finding the Fourth Proportional to 19,948.10, 29,966.70 and 16,667.60

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Solution

The fourth proportional to 19,948.10, 29,966.70 and 16,667.60 is: 25,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.10 : 29,966.70 = 16,667.60 : x
  2. Step 2: Convert to fraction form
    19,948.10/29,966.70 = 16,667.60/x
  3. Step 3: Cross multiply
    19,948.10x = 29,966.70 × 16,667.60
  4. Step 4: Simplify right side
    19,948.10x = 499,472,968.92
  5. Step 5: Solve for x
    x = 499,472,968.92/19,948.10
  6. Step 6: Final answer
    x = 25,038.62

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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.