Home / 17,740.80-24,484.05-13,256.79

Finding the Fourth Proportional to 17,740.80, 24,484.05 and 13,256.79

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Solution

The fourth proportional to 17,740.80, 24,484.05 and 13,256.79 is: 18,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.80 : 24,484.05 = 13,256.79 : x
  2. Step 2: Convert to fraction form
    17,740.80/24,484.05 = 13,256.79/x
  3. Step 3: Cross multiply
    17,740.80x = 24,484.05 × 13,256.79
  4. Step 4: Simplify right side
    17,740.80x = 324,579,909.20
  5. Step 5: Solve for x
    x = 324,579,909.20/17,740.80
  6. Step 6: Final answer
    x = 18,295.67

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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.