Home / 17,624.32-26,430.36-7,091.20

Finding the Fourth Proportional to 17,624.32, 26,430.36 and 7,091.20

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Solution

The fourth proportional to 17,624.32, 26,430.36 and 7,091.20 is: 10,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,624.32 : 26,430.36 = 7,091.20 : x
  2. Step 2: Convert to fraction form
    17,624.32/26,430.36 = 7,091.20/x
  3. Step 3: Cross multiply
    17,624.32x = 26,430.36 × 7,091.20
  4. Step 4: Simplify right side
    17,624.32x = 187,422,968.83
  5. Step 5: Solve for x
    x = 187,422,968.83/17,624.32
  6. Step 6: Final answer
    x = 10,634.34

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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.