Home / 16,401.56-22,636.11-9,329.06

Finding the Fourth Proportional to 16,401.56, 22,636.11 and 9,329.06

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Solution

The fourth proportional to 16,401.56, 22,636.11 and 9,329.06 is: 12,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.56 : 22,636.11 = 9,329.06 : x
  2. Step 2: Convert to fraction form
    16,401.56/22,636.11 = 9,329.06/x
  3. Step 3: Cross multiply
    16,401.56x = 22,636.11 × 9,329.06
  4. Step 4: Simplify right side
    16,401.56x = 211,173,628.36
  5. Step 5: Solve for x
    x = 211,173,628.36/16,401.56
  6. Step 6: Final answer
    x = 12,875.22

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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.