Home / 25,431.12-38,162.16-9,848.16

Finding the Fourth Proportional to 25,431.12, 38,162.16 and 9,848.16

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Solution

The fourth proportional to 25,431.12, 38,162.16 and 9,848.16 is: 14,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.12 : 38,162.16 = 9,848.16 : x
  2. Step 2: Convert to fraction form
    25,431.12/38,162.16 = 9,848.16/x
  3. Step 3: Cross multiply
    25,431.12x = 38,162.16 × 9,848.16
  4. Step 4: Simplify right side
    25,431.12x = 375,827,057.63
  5. Step 5: Solve for x
    x = 375,827,057.63/25,431.12
  6. Step 6: Final answer
    x = 14,778.23

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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.