Home / 19,520.79-26,938.62-11,024.70

Finding the Fourth Proportional to 19,520.79, 26,938.62 and 11,024.70

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Solution

The fourth proportional to 19,520.79, 26,938.62 and 11,024.70 is: 15,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.79 : 26,938.62 = 11,024.70 : x
  2. Step 2: Convert to fraction form
    19,520.79/26,938.62 = 11,024.70/x
  3. Step 3: Cross multiply
    19,520.79x = 26,938.62 × 11,024.70
  4. Step 4: Simplify right side
    19,520.79x = 296,990,203.91
  5. Step 5: Solve for x
    x = 296,990,203.91/19,520.79
  6. Step 6: Final answer
    x = 15,214.05

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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.