Home / 25,719.36-35,492.40-14,540.64

Finding the Fourth Proportional to 25,719.36, 35,492.40 and 14,540.64

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Solution

The fourth proportional to 25,719.36, 35,492.40 and 14,540.64 is: 20,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.36 : 35,492.40 = 14,540.64 : x
  2. Step 2: Convert to fraction form
    25,719.36/35,492.40 = 14,540.64/x
  3. Step 3: Cross multiply
    25,719.36x = 35,492.40 × 14,540.64
  4. Step 4: Simplify right side
    25,719.36x = 516,082,211.14
  5. Step 5: Solve for x
    x = 516,082,211.14/25,719.36
  6. Step 6: Final answer
    x = 20,065.90

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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.