Home / 25,810.48-38,700.24-12,475.36

Finding the Fourth Proportional to 25,810.48, 38,700.24 and 12,475.36

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Solution

The fourth proportional to 25,810.48, 38,700.24 and 12,475.36 is: 18,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.48 : 38,700.24 = 12,475.36 : x
  2. Step 2: Convert to fraction form
    25,810.48/38,700.24 = 12,475.36/x
  3. Step 3: Cross multiply
    25,810.48x = 38,700.24 × 12,475.36
  4. Step 4: Simplify right side
    25,810.48x = 482,799,426.09
  5. Step 5: Solve for x
    x = 482,799,426.09/25,810.48
  6. Step 6: Final answer
    x = 18,705.56

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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.