Home / 17,426-24,031.58-13,440.80

Finding the Fourth Proportional to 17,426, 24,031.58 and 13,440.80

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Solution

The fourth proportional to 17,426, 24,031.58 and 13,440.80 is: 18,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,426 : 24,031.58 = 13,440.80 : x
  2. Step 2: Convert to fraction form
    17,426/24,031.58 = 13,440.80/x
  3. Step 3: Cross multiply
    17,426x = 24,031.58 × 13,440.80
  4. Step 4: Simplify right side
    17,426x = 323,003,660.46
  5. Step 5: Solve for x
    x = 323,003,660.46/17,426
  6. Step 6: Final answer
    x = 18,535.73

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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.