Home / 25,854.62-35,683.26-15,788.90

Finding the Fourth Proportional to 25,854.62, 35,683.26 and 15,788.90

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Solution

The fourth proportional to 25,854.62, 35,683.26 and 15,788.90 is: 21,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.62 : 35,683.26 = 15,788.90 : x
  2. Step 2: Convert to fraction form
    25,854.62/35,683.26 = 15,788.90/x
  3. Step 3: Cross multiply
    25,854.62x = 35,683.26 × 15,788.90
  4. Step 4: Simplify right side
    25,854.62x = 563,399,423.81
  5. Step 5: Solve for x
    x = 563,399,423.81/25,854.62
  6. Step 6: Final answer
    x = 21,791.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.