Home / 19,418.86-26,807.06-14,640.74

Finding the Fourth Proportional to 19,418.86, 26,807.06 and 14,640.74

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Solution

The fourth proportional to 19,418.86, 26,807.06 and 14,640.74 is: 20,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.86 : 26,807.06 = 14,640.74 : x
  2. Step 2: Convert to fraction form
    19,418.86/26,807.06 = 14,640.74/x
  3. Step 3: Cross multiply
    19,418.86x = 26,807.06 × 14,640.74
  4. Step 4: Simplify right side
    19,418.86x = 392,475,195.62
  5. Step 5: Solve for x
    x = 392,475,195.62/19,418.86
  6. Step 6: Final answer
    x = 20,211.03

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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.