Home / 25,869.79-38,788.03-10,886.62

Finding the Fourth Proportional to 25,869.79, 38,788.03 and 10,886.62

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Solution

The fourth proportional to 25,869.79, 38,788.03 and 10,886.62 is: 16,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.79 : 38,788.03 = 10,886.62 : x
  2. Step 2: Convert to fraction form
    25,869.79/38,788.03 = 10,886.62/x
  3. Step 3: Cross multiply
    25,869.79x = 38,788.03 × 10,886.62
  4. Step 4: Simplify right side
    25,869.79x = 422,270,543.16
  5. Step 5: Solve for x
    x = 422,270,543.16/25,869.79
  6. Step 6: Final answer
    x = 16,322.92

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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.