Home / 17,737.49-24,478.79-9,779.67

Finding the Fourth Proportional to 17,737.49, 24,478.79 and 9,779.67

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Solution

The fourth proportional to 17,737.49, 24,478.79 and 9,779.67 is: 13,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.49 : 24,478.79 = 9,779.67 : x
  2. Step 2: Convert to fraction form
    17,737.49/24,478.79 = 9,779.67/x
  3. Step 3: Cross multiply
    17,737.49x = 24,478.79 × 9,779.67
  4. Step 4: Simplify right side
    17,737.49x = 239,394,439.30
  5. Step 5: Solve for x
    x = 239,394,439.30/17,737.49
  6. Step 6: Final answer
    x = 13,496.53

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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.