Home / 18,719.12-25,832.76-10,336.16

Finding the Fourth Proportional to 18,719.12, 25,832.76 and 10,336.16

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Solution

The fourth proportional to 18,719.12, 25,832.76 and 10,336.16 is: 14,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.12 : 25,832.76 = 10,336.16 : x
  2. Step 2: Convert to fraction form
    18,719.12/25,832.76 = 10,336.16/x
  3. Step 3: Cross multiply
    18,719.12x = 25,832.76 × 10,336.16
  4. Step 4: Simplify right side
    18,719.12x = 267,011,540.60
  5. Step 5: Solve for x
    x = 267,011,540.60/18,719.12
  6. Step 6: Final answer
    x = 14,264.11

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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.