Home / 17,737.20-24,477.32-9,779.55

Finding the Fourth Proportional to 17,737.20, 24,477.32 and 9,779.55

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Solution

The fourth proportional to 17,737.20, 24,477.32 and 9,779.55 is: 13,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.20 : 24,477.32 = 9,779.55 : x
  2. Step 2: Convert to fraction form
    17,737.20/24,477.32 = 9,779.55/x
  3. Step 3: Cross multiply
    17,737.20x = 24,477.32 × 9,779.55
  4. Step 4: Simplify right side
    17,737.20x = 239,377,125.91
  5. Step 5: Solve for x
    x = 239,377,125.91/17,737.20
  6. Step 6: Final answer
    x = 13,495.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.