Home / 17,384.10-26,039.70-13,668.63

Finding the Fourth Proportional to 17,384.10, 26,039.70 and 13,668.63

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Solution

The fourth proportional to 17,384.10, 26,039.70 and 13,668.63 is: 20,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384.10 : 26,039.70 = 13,668.63 : x
  2. Step 2: Convert to fraction form
    17,384.10/26,039.70 = 13,668.63/x
  3. Step 3: Cross multiply
    17,384.10x = 26,039.70 × 13,668.63
  4. Step 4: Simplify right side
    17,384.10x = 355,927,024.61
  5. Step 5: Solve for x
    x = 355,927,024.61/17,384.10
  6. Step 6: Final answer
    x = 20,474.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.