Home / 25,783.24-38,679.70-8,248.36

Finding the Fourth Proportional to 25,783.24, 38,679.70 and 8,248.36

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Solution

The fourth proportional to 25,783.24, 38,679.70 and 8,248.36 is: 12,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.24 : 38,679.70 = 8,248.36 : x
  2. Step 2: Convert to fraction form
    25,783.24/38,679.70 = 8,248.36/x
  3. Step 3: Cross multiply
    25,783.24x = 38,679.70 × 8,248.36
  4. Step 4: Simplify right side
    25,783.24x = 319,044,090.29
  5. Step 5: Solve for x
    x = 319,044,090.29/25,783.24
  6. Step 6: Final answer
    x = 12,374.09

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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.