Home / 16,953.80-25,358.70-15,211.40

Finding the Fourth Proportional to 16,953.80, 25,358.70 and 15,211.40

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Solution

The fourth proportional to 16,953.80, 25,358.70 and 15,211.40 is: 22,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.80 : 25,358.70 = 15,211.40 : x
  2. Step 2: Convert to fraction form
    16,953.80/25,358.70 = 15,211.40/x
  3. Step 3: Cross multiply
    16,953.80x = 25,358.70 × 15,211.40
  4. Step 4: Simplify right side
    16,953.80x = 385,741,329.18
  5. Step 5: Solve for x
    x = 385,741,329.18/16,953.80
  6. Step 6: Final answer
    x = 22,752.50

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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.