Home / 14,501.66-21,723.21-12,155.04

Finding the Fourth Proportional to 14,501.66, 21,723.21 and 12,155.04

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Solution

The fourth proportional to 14,501.66, 21,723.21 and 12,155.04 is: 18,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.66 : 21,723.21 = 12,155.04 : x
  2. Step 2: Convert to fraction form
    14,501.66/21,723.21 = 12,155.04/x
  3. Step 3: Cross multiply
    14,501.66x = 21,723.21 × 12,155.04
  4. Step 4: Simplify right side
    14,501.66x = 264,046,486.48
  5. Step 5: Solve for x
    x = 264,046,486.48/14,501.66
  6. Step 6: Final answer
    x = 18,208.02

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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.