Home / 19,191.59-26,487.78-14,370.47

Finding the Fourth Proportional to 19,191.59, 26,487.78 and 14,370.47

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Solution

The fourth proportional to 19,191.59, 26,487.78 and 14,370.47 is: 19,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.59 : 26,487.78 = 14,370.47 : x
  2. Step 2: Convert to fraction form
    19,191.59/26,487.78 = 14,370.47/x
  3. Step 3: Cross multiply
    19,191.59x = 26,487.78 × 14,370.47
  4. Step 4: Simplify right side
    19,191.59x = 380,641,847.86
  5. Step 5: Solve for x
    x = 380,641,847.86/19,191.59
  6. Step 6: Final answer
    x = 19,833.78

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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.