Home / 13,592.48-20,388.47-5,585.54

Finding the Fourth Proportional to 13,592.48, 20,388.47 and 5,585.54

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Solution

The fourth proportional to 13,592.48, 20,388.47 and 5,585.54 is: 8,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.48 : 20,388.47 = 5,585.54 : x
  2. Step 2: Convert to fraction form
    13,592.48/20,388.47 = 5,585.54/x
  3. Step 3: Cross multiply
    13,592.48x = 20,388.47 × 5,585.54
  4. Step 4: Simplify right side
    13,592.48x = 113,880,637.77
  5. Step 5: Solve for x
    x = 113,880,637.77/13,592.48
  6. Step 6: Final answer
    x = 8,378.21

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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.