Home / 25,705.45-38,558.63-9,065.12

Finding the Fourth Proportional to 25,705.45, 38,558.63 and 9,065.12

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Solution

The fourth proportional to 25,705.45, 38,558.63 and 9,065.12 is: 13,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.45 : 38,558.63 = 9,065.12 : x
  2. Step 2: Convert to fraction form
    25,705.45/38,558.63 = 9,065.12/x
  3. Step 3: Cross multiply
    25,705.45x = 38,558.63 × 9,065.12
  4. Step 4: Simplify right side
    25,705.45x = 349,538,437.86
  5. Step 5: Solve for x
    x = 349,538,437.86/25,705.45
  6. Step 6: Final answer
    x = 13,597.83

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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.