Home / 20,575.34-28,394.11-13,024.92

Finding the Fourth Proportional to 20,575.34, 28,394.11 and 13,024.92

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Solution

The fourth proportional to 20,575.34, 28,394.11 and 13,024.92 is: 17,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.34 : 28,394.11 = 13,024.92 : x
  2. Step 2: Convert to fraction form
    20,575.34/28,394.11 = 13,024.92/x
  3. Step 3: Cross multiply
    20,575.34x = 28,394.11 × 13,024.92
  4. Step 4: Simplify right side
    20,575.34x = 369,831,011.22
  5. Step 5: Solve for x
    x = 369,831,011.22/20,575.34
  6. Step 6: Final answer
    x = 17,974.48

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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.