Home / 19,538.21-26,951.54-12,354.93

Finding the Fourth Proportional to 19,538.21, 26,951.54 and 12,354.93

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Solution

The fourth proportional to 19,538.21, 26,951.54 and 12,354.93 is: 17,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.21 : 26,951.54 = 12,354.93 : x
  2. Step 2: Convert to fraction form
    19,538.21/26,951.54 = 12,354.93/x
  3. Step 3: Cross multiply
    19,538.21x = 26,951.54 × 12,354.93
  4. Step 4: Simplify right side
    19,538.21x = 332,984,328.32
  5. Step 5: Solve for x
    x = 332,984,328.32/19,538.21
  6. Step 6: Final answer
    x = 17,042.72

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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.