Home / 16,870.60-25,302.54-5,776.36

Finding the Fourth Proportional to 16,870.60, 25,302.54 and 5,776.36

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Solution

The fourth proportional to 16,870.60, 25,302.54 and 5,776.36 is: 8,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.60 : 25,302.54 = 5,776.36 : x
  2. Step 2: Convert to fraction form
    16,870.60/25,302.54 = 5,776.36/x
  3. Step 3: Cross multiply
    16,870.60x = 25,302.54 × 5,776.36
  4. Step 4: Simplify right side
    16,870.60x = 146,156,579.95
  5. Step 5: Solve for x
    x = 146,156,579.95/16,870.60
  6. Step 6: Final answer
    x = 8,663.39

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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.