Home / 13,580.16-20,365.25-4,693.23

Finding the Fourth Proportional to 13,580.16, 20,365.25 and 4,693.23

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Solution

The fourth proportional to 13,580.16, 20,365.25 and 4,693.23 is: 7,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.16 : 20,365.25 = 4,693.23 : x
  2. Step 2: Convert to fraction form
    13,580.16/20,365.25 = 4,693.23/x
  3. Step 3: Cross multiply
    13,580.16x = 20,365.25 × 4,693.23
  4. Step 4: Simplify right side
    13,580.16x = 95,578,778.79
  5. Step 5: Solve for x
    x = 95,578,778.79/13,580.16
  6. Step 6: Final answer
    x = 7,038.12

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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.