Home / 13,456.21-20,184.41-4,691.10

Finding the Fourth Proportional to 13,456.21, 20,184.41 and 4,691.10

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Solution

The fourth proportional to 13,456.21, 20,184.41 and 4,691.10 is: 7,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.21 : 20,184.41 = 4,691.10 : x
  2. Step 2: Convert to fraction form
    13,456.21/20,184.41 = 4,691.10/x
  3. Step 3: Cross multiply
    13,456.21x = 20,184.41 × 4,691.10
  4. Step 4: Simplify right side
    13,456.21x = 94,687,085.75
  5. Step 5: Solve for x
    x = 94,687,085.75/13,456.21
  6. Step 6: Final answer
    x = 7,036.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.