Home / 14,928.30-20,583.96-9,543.54

Finding the Fourth Proportional to 14,928.30, 20,583.96 and 9,543.54

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Solution

The fourth proportional to 14,928.30, 20,583.96 and 9,543.54 is: 13,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.30 : 20,583.96 = 9,543.54 : x
  2. Step 2: Convert to fraction form
    14,928.30/20,583.96 = 9,543.54/x
  3. Step 3: Cross multiply
    14,928.30x = 20,583.96 × 9,543.54
  4. Step 4: Simplify right side
    14,928.30x = 196,443,845.62
  5. Step 5: Solve for x
    x = 196,443,845.62/14,928.30
  6. Step 6: Final answer
    x = 13,159.16

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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.