Home / 25,328.08-37,999.80-12,176.72

Finding the Fourth Proportional to 25,328.08, 37,999.80 and 12,176.72

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Solution

The fourth proportional to 25,328.08, 37,999.80 and 12,176.72 is: 18,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.08 : 37,999.80 = 12,176.72 : x
  2. Step 2: Convert to fraction form
    25,328.08/37,999.80 = 12,176.72/x
  3. Step 3: Cross multiply
    25,328.08x = 37,999.80 × 12,176.72
  4. Step 4: Simplify right side
    25,328.08x = 462,712,924.66
  5. Step 5: Solve for x
    x = 462,712,924.66/25,328.08
  6. Step 6: Final answer
    x = 18,268.77

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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.