Home / 17,775.75-24,529.87-9,817.77

Finding the Fourth Proportional to 17,775.75, 24,529.87 and 9,817.77

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Solution

The fourth proportional to 17,775.75, 24,529.87 and 9,817.77 is: 13,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.75 : 24,529.87 = 9,817.77 : x
  2. Step 2: Convert to fraction form
    17,775.75/24,529.87 = 9,817.77/x
  3. Step 3: Cross multiply
    17,775.75x = 24,529.87 × 9,817.77
  4. Step 4: Simplify right side
    17,775.75x = 240,828,621.79
  5. Step 5: Solve for x
    x = 240,828,621.79/17,775.75
  6. Step 6: Final answer
    x = 13,548.16

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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.