Home / 14,615.16-20,155.68-9,577.55

Finding the Fourth Proportional to 14,615.16, 20,155.68 and 9,577.55

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Solution

The fourth proportional to 14,615.16, 20,155.68 and 9,577.55 is: 13,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.16 : 20,155.68 = 9,577.55 : x
  2. Step 2: Convert to fraction form
    14,615.16/20,155.68 = 9,577.55/x
  3. Step 3: Cross multiply
    14,615.16x = 20,155.68 × 9,577.55
  4. Step 4: Simplify right side
    14,615.16x = 193,042,032.98
  5. Step 5: Solve for x
    x = 193,042,032.98/14,615.16
  6. Step 6: Final answer
    x = 13,208.34

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Half scale
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Double scale
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Similar ratio
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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.