Home / 15,009.08-22,514.07-5,148.21

Finding the Fourth Proportional to 15,009.08, 22,514.07 and 5,148.21

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Solution

The fourth proportional to 15,009.08, 22,514.07 and 5,148.21 is: 7,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.08 : 22,514.07 = 5,148.21 : x
  2. Step 2: Convert to fraction form
    15,009.08/22,514.07 = 5,148.21/x
  3. Step 3: Cross multiply
    15,009.08x = 22,514.07 × 5,148.21
  4. Step 4: Simplify right side
    15,009.08x = 115,907,171.77
  5. Step 5: Solve for x
    x = 115,907,171.77/15,009.08
  6. Step 6: Final answer
    x = 7,722.47

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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.