Home / 25,435.93-38,155.80-8,569.03

Finding the Fourth Proportional to 25,435.93, 38,155.80 and 8,569.03

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Solution

The fourth proportional to 25,435.93, 38,155.80 and 8,569.03 is: 12,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.93 : 38,155.80 = 8,569.03 : x
  2. Step 2: Convert to fraction form
    25,435.93/38,155.80 = 8,569.03/x
  3. Step 3: Cross multiply
    25,435.93x = 38,155.80 × 8,569.03
  4. Step 4: Simplify right side
    25,435.93x = 326,958,384.93
  5. Step 5: Solve for x
    x = 326,958,384.93/25,435.93
  6. Step 6: Final answer
    x = 12,854.19

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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.