Home / 13,436.08-20,052.51-13,086.16

Finding the Fourth Proportional to 13,436.08, 20,052.51 and 13,086.16

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Solution

The fourth proportional to 13,436.08, 20,052.51 and 13,086.16 is: 19,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.08 : 20,052.51 = 13,086.16 : x
  2. Step 2: Convert to fraction form
    13,436.08/20,052.51 = 13,086.16/x
  3. Step 3: Cross multiply
    13,436.08x = 20,052.51 × 13,086.16
  4. Step 4: Simplify right side
    13,436.08x = 262,410,328.67
  5. Step 5: Solve for x
    x = 262,410,328.67/13,436.08
  6. Step 6: Final answer
    x = 19,530.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.