Home / 27,619.60-41,430.84-7,901.06

Finding the Fourth Proportional to 27,619.60, 41,430.84 and 7,901.06

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Solution

The fourth proportional to 27,619.60, 41,430.84 and 7,901.06 is: 11,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.60 : 41,430.84 = 7,901.06 : x
  2. Step 2: Convert to fraction form
    27,619.60/41,430.84 = 7,901.06/x
  3. Step 3: Cross multiply
    27,619.60x = 41,430.84 × 7,901.06
  4. Step 4: Simplify right side
    27,619.60x = 327,347,552.69
  5. Step 5: Solve for x
    x = 327,347,552.69/27,619.60
  6. Step 6: Final answer
    x = 11,852.00

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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.