Home / 12,621.63-17,401.66-10,344.58

Finding the Fourth Proportional to 12,621.63, 17,401.66 and 10,344.58

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Solution

The fourth proportional to 12,621.63, 17,401.66 and 10,344.58 is: 14,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.63 : 17,401.66 = 10,344.58 : x
  2. Step 2: Convert to fraction form
    12,621.63/17,401.66 = 10,344.58/x
  3. Step 3: Cross multiply
    12,621.63x = 17,401.66 × 10,344.58
  4. Step 4: Simplify right side
    12,621.63x = 180,012,864.00
  5. Step 5: Solve for x
    x = 180,012,864.00/12,621.63
  6. Step 6: Final answer
    x = 14,262.25

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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.