Home / 25,966.16-38,932.20-9,317.84

Finding the Fourth Proportional to 25,966.16, 38,932.20 and 9,317.84

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Solution

The fourth proportional to 25,966.16, 38,932.20 and 9,317.84 is: 13,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.16 : 38,932.20 = 9,317.84 : x
  2. Step 2: Convert to fraction form
    25,966.16/38,932.20 = 9,317.84/x
  3. Step 3: Cross multiply
    25,966.16x = 38,932.20 × 9,317.84
  4. Step 4: Simplify right side
    25,966.16x = 362,764,010.45
  5. Step 5: Solve for x
    x = 362,764,010.45/25,966.16
  6. Step 6: Final answer
    x = 13,970.65

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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.