Home / 13,580.96-20,402.61-9,587.52

Finding the Fourth Proportional to 13,580.96, 20,402.61 and 9,587.52

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Solution

The fourth proportional to 13,580.96, 20,402.61 and 9,587.52 is: 14,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.96 : 20,402.61 = 9,587.52 : x
  2. Step 2: Convert to fraction form
    13,580.96/20,402.61 = 9,587.52/x
  3. Step 3: Cross multiply
    13,580.96x = 20,402.61 × 9,587.52
  4. Step 4: Simplify right side
    13,580.96x = 195,610,431.43
  5. Step 5: Solve for x
    x = 195,610,431.43/13,580.96
  6. Step 6: Final answer
    x = 14,403.29

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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.