Home / 16,854.84-25,279.56-7,970.22

Finding the Fourth Proportional to 16,854.84, 25,279.56 and 7,970.22

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Solution

The fourth proportional to 16,854.84, 25,279.56 and 7,970.22 is: 11,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.84 : 25,279.56 = 7,970.22 : x
  2. Step 2: Convert to fraction form
    16,854.84/25,279.56 = 7,970.22/x
  3. Step 3: Cross multiply
    16,854.84x = 25,279.56 × 7,970.22
  4. Step 4: Simplify right side
    16,854.84x = 201,483,654.70
  5. Step 5: Solve for x
    x = 201,483,654.70/16,854.84
  6. Step 6: Final answer
    x = 11,954.05

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1.5x scale

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.