Home / 19,403.89-26,794.85-12,246.47

Finding the Fourth Proportional to 19,403.89, 26,794.85 and 12,246.47

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Solution

The fourth proportional to 19,403.89, 26,794.85 and 12,246.47 is: 16,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.89 : 26,794.85 = 12,246.47 : x
  2. Step 2: Convert to fraction form
    19,403.89/26,794.85 = 12,246.47/x
  3. Step 3: Cross multiply
    19,403.89x = 26,794.85 × 12,246.47
  4. Step 4: Simplify right side
    19,403.89x = 328,142,332.43
  5. Step 5: Solve for x
    x = 328,142,332.43/19,403.89
  6. Step 6: Final answer
    x = 16,911.16

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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.