Home / 25,282.40-34,878.54-15,204.98

Finding the Fourth Proportional to 25,282.40, 34,878.54 and 15,204.98

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Solution

The fourth proportional to 25,282.40, 34,878.54 and 15,204.98 is: 20,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.40 : 34,878.54 = 15,204.98 : x
  2. Step 2: Convert to fraction form
    25,282.40/34,878.54 = 15,204.98/x
  3. Step 3: Cross multiply
    25,282.40x = 34,878.54 × 15,204.98
  4. Step 4: Simplify right side
    25,282.40x = 530,327,503.13
  5. Step 5: Solve for x
    x = 530,327,503.13/25,282.40
  6. Step 6: Final answer
    x = 20,976.15

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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.