Home / 13,592.81-18,761.32-8,292.07

Finding the Fourth Proportional to 13,592.81, 18,761.32 and 8,292.07

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Solution

The fourth proportional to 13,592.81, 18,761.32 and 8,292.07 is: 11,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.81 : 18,761.32 = 8,292.07 : x
  2. Step 2: Convert to fraction form
    13,592.81/18,761.32 = 8,292.07/x
  3. Step 3: Cross multiply
    13,592.81x = 18,761.32 × 8,292.07
  4. Step 4: Simplify right side
    13,592.81x = 155,570,212.55
  5. Step 5: Solve for x
    x = 155,570,212.55/13,592.81
  6. Step 6: Final answer
    x = 11,445.03

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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.