Home / 25,848.06-38,765.16-7,123.64

Finding the Fourth Proportional to 25,848.06, 38,765.16 and 7,123.64

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Solution

The fourth proportional to 25,848.06, 38,765.16 and 7,123.64 is: 10,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,848.06 : 38,765.16 = 7,123.64 : x
  2. Step 2: Convert to fraction form
    25,848.06/38,765.16 = 7,123.64/x
  3. Step 3: Cross multiply
    25,848.06x = 38,765.16 × 7,123.64
  4. Step 4: Simplify right side
    25,848.06x = 276,149,044.38
  5. Step 5: Solve for x
    x = 276,149,044.38/25,848.06
  6. Step 6: Final answer
    x = 10,683.55

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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.