Home / 14,502.51-21,753.77-12,305.79

Finding the Fourth Proportional to 14,502.51, 21,753.77 and 12,305.79

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Solution

The fourth proportional to 14,502.51, 21,753.77 and 12,305.79 is: 18,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.51 : 21,753.77 = 12,305.79 : x
  2. Step 2: Convert to fraction form
    14,502.51/21,753.77 = 12,305.79/x
  3. Step 3: Cross multiply
    14,502.51x = 21,753.77 × 12,305.79
  4. Step 4: Simplify right side
    14,502.51x = 267,697,263.80
  5. Step 5: Solve for x
    x = 267,697,263.80/14,502.51
  6. Step 6: Final answer
    x = 18,458.69

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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.