Home / 25,458.06-38,187.24-7,688.76

Finding the Fourth Proportional to 25,458.06, 38,187.24 and 7,688.76

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Solution

The fourth proportional to 25,458.06, 38,187.24 and 7,688.76 is: 11,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.06 : 38,187.24 = 7,688.76 : x
  2. Step 2: Convert to fraction form
    25,458.06/38,187.24 = 7,688.76/x
  3. Step 3: Cross multiply
    25,458.06x = 38,187.24 × 7,688.76
  4. Step 4: Simplify right side
    25,458.06x = 293,612,523.42
  5. Step 5: Solve for x
    x = 293,612,523.42/25,458.06
  6. Step 6: Final answer
    x = 11,533.19

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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.