Home / 13,631.28-20,454.80-5,733.16

Finding the Fourth Proportional to 13,631.28, 20,454.80 and 5,733.16

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Solution

The fourth proportional to 13,631.28, 20,454.80 and 5,733.16 is: 8,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.28 : 20,454.80 = 5,733.16 : x
  2. Step 2: Convert to fraction form
    13,631.28/20,454.80 = 5,733.16/x
  3. Step 3: Cross multiply
    13,631.28x = 20,454.80 × 5,733.16
  4. Step 4: Simplify right side
    13,631.28x = 117,270,641.17
  5. Step 5: Solve for x
    x = 117,270,641.17/13,631.28
  6. Step 6: Final answer
    x = 8,603.05

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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.