Home / 12,168.04-16,776.68-10,154.35

Finding the Fourth Proportional to 12,168.04, 16,776.68 and 10,154.35

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Solution

The fourth proportional to 12,168.04, 16,776.68 and 10,154.35 is: 14,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.04 : 16,776.68 = 10,154.35 : x
  2. Step 2: Convert to fraction form
    12,168.04/16,776.68 = 10,154.35/x
  3. Step 3: Cross multiply
    12,168.04x = 16,776.68 × 10,154.35
  4. Step 4: Simplify right side
    12,168.04x = 170,356,280.56
  5. Step 5: Solve for x
    x = 170,356,280.56/12,168.04
  6. Step 6: Final answer
    x = 14,000.31

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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.