Home / 16,400.79-22,626.63-10,102.23

Finding the Fourth Proportional to 16,400.79, 22,626.63 and 10,102.23

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Solution

The fourth proportional to 16,400.79, 22,626.63 and 10,102.23 is: 13,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.79 : 22,626.63 = 10,102.23 : x
  2. Step 2: Convert to fraction form
    16,400.79/22,626.63 = 10,102.23/x
  3. Step 3: Cross multiply
    16,400.79x = 22,626.63 × 10,102.23
  4. Step 4: Simplify right side
    16,400.79x = 228,579,420.38
  5. Step 5: Solve for x
    x = 228,579,420.38/16,400.79
  6. Step 6: Final answer
    x = 13,937.10

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Double scale
Find fourth proportional to 16,401.79, 22,628.01 and 10,103.23
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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.