Home / 25,438.59-35,105.99-15,368.83

Finding the Fourth Proportional to 25,438.59, 35,105.99 and 15,368.83

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Solution

The fourth proportional to 25,438.59, 35,105.99 and 15,368.83 is: 21,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.59 : 35,105.99 = 15,368.83 : x
  2. Step 2: Convert to fraction form
    25,438.59/35,105.99 = 15,368.83/x
  3. Step 3: Cross multiply
    25,438.59x = 35,105.99 × 15,368.83
  4. Step 4: Simplify right side
    25,438.59x = 539,537,827.68
  5. Step 5: Solve for x
    x = 539,537,827.68/25,438.59
  6. Step 6: Final answer
    x = 21,209.42

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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.