Home / 19,973.27-27,558.18-12,210.12

Finding the Fourth Proportional to 19,973.27, 27,558.18 and 12,210.12

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Solution

The fourth proportional to 19,973.27, 27,558.18 and 12,210.12 is: 16,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.27 : 27,558.18 = 12,210.12 : x
  2. Step 2: Convert to fraction form
    19,973.27/27,558.18 = 12,210.12/x
  3. Step 3: Cross multiply
    19,973.27x = 27,558.18 × 12,210.12
  4. Step 4: Simplify right side
    19,973.27x = 336,488,684.78
  5. Step 5: Solve for x
    x = 336,488,684.78/19,973.27
  6. Step 6: Final answer
    x = 16,846.95

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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.