Home / 25,710.48-38,539.35-12,546.63

Finding the Fourth Proportional to 25,710.48, 38,539.35 and 12,546.63

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Solution

The fourth proportional to 25,710.48, 38,539.35 and 12,546.63 is: 18,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.48 : 38,539.35 = 12,546.63 : x
  2. Step 2: Convert to fraction form
    25,710.48/38,539.35 = 12,546.63/x
  3. Step 3: Cross multiply
    25,710.48x = 38,539.35 × 12,546.63
  4. Step 4: Simplify right side
    25,710.48x = 483,538,964.89
  5. Step 5: Solve for x
    x = 483,538,964.89/25,710.48
  6. Step 6: Final answer
    x = 18,807.08

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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.