Home / 25,582.08-38,372.16-18,054.74

Finding the Fourth Proportional to 25,582.08, 38,372.16 and 18,054.74

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Solution

The fourth proportional to 25,582.08, 38,372.16 and 18,054.74 is: 27,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.08 : 38,372.16 = 18,054.74 : x
  2. Step 2: Convert to fraction form
    25,582.08/38,372.16 = 18,054.74/x
  3. Step 3: Cross multiply
    25,582.08x = 38,372.16 × 18,054.74
  4. Step 4: Simplify right side
    25,582.08x = 692,799,372.04
  5. Step 5: Solve for x
    x = 692,799,372.04/25,582.08
  6. Step 6: Final answer
    x = 27,081.43

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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.