Home / 16,779.04-25,151.28-8,985.76

Finding the Fourth Proportional to 16,779.04, 25,151.28 and 8,985.76

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Solution

The fourth proportional to 16,779.04, 25,151.28 and 8,985.76 is: 13,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.04 : 25,151.28 = 8,985.76 : x
  2. Step 2: Convert to fraction form
    16,779.04/25,151.28 = 8,985.76/x
  3. Step 3: Cross multiply
    16,779.04x = 25,151.28 × 8,985.76
  4. Step 4: Simplify right side
    16,779.04x = 226,003,365.77
  5. Step 5: Solve for x
    x = 226,003,365.77/16,779.04
  6. Step 6: Final answer
    x = 13,469.39

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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.