Home / 18,148.63-27,223.08-5,001.72

Finding the Fourth Proportional to 18,148.63, 27,223.08 and 5,001.72

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Solution

The fourth proportional to 18,148.63, 27,223.08 and 5,001.72 is: 7,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.63 : 27,223.08 = 5,001.72 : x
  2. Step 2: Convert to fraction form
    18,148.63/27,223.08 = 5,001.72/x
  3. Step 3: Cross multiply
    18,148.63x = 27,223.08 × 5,001.72
  4. Step 4: Simplify right side
    18,148.63x = 136,162,223.70
  5. Step 5: Solve for x
    x = 136,162,223.70/18,148.63
  6. Step 6: Final answer
    x = 7,502.62

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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.