Home / 13,583.92-20,374.16-5,258.24

Finding the Fourth Proportional to 13,583.92, 20,374.16 and 5,258.24

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Solution

The fourth proportional to 13,583.92, 20,374.16 and 5,258.24 is: 7,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.92 : 20,374.16 = 5,258.24 : x
  2. Step 2: Convert to fraction form
    13,583.92/20,374.16 = 5,258.24/x
  3. Step 3: Cross multiply
    13,583.92x = 20,374.16 × 5,258.24
  4. Step 4: Simplify right side
    13,583.92x = 107,132,273.19
  5. Step 5: Solve for x
    x = 107,132,273.19/13,583.92
  6. Step 6: Final answer
    x = 7,886.70

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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.