Home / 25,153.58-37,632.81-18,149.72

Finding the Fourth Proportional to 25,153.58, 37,632.81 and 18,149.72

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Solution

The fourth proportional to 25,153.58, 37,632.81 and 18,149.72 is: 27,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.58 : 37,632.81 = 18,149.72 : x
  2. Step 2: Convert to fraction form
    25,153.58/37,632.81 = 18,149.72/x
  3. Step 3: Cross multiply
    25,153.58x = 37,632.81 × 18,149.72
  4. Step 4: Simplify right side
    25,153.58x = 683,024,964.31
  5. Step 5: Solve for x
    x = 683,024,964.31/25,153.58
  6. Step 6: Final answer
    x = 27,154.18

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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.