Home / 17,709.81-24,438.59-10,155.78

Finding the Fourth Proportional to 17,709.81, 24,438.59 and 10,155.78

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Solution

The fourth proportional to 17,709.81, 24,438.59 and 10,155.78 is: 14,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.81 : 24,438.59 = 10,155.78 : x
  2. Step 2: Convert to fraction form
    17,709.81/24,438.59 = 10,155.78/x
  3. Step 3: Cross multiply
    17,709.81x = 24,438.59 × 10,155.78
  4. Step 4: Simplify right side
    17,709.81x = 248,192,821.36
  5. Step 5: Solve for x
    x = 248,192,821.36/17,709.81
  6. Step 6: Final answer
    x = 14,014.43

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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.