Home / 27,430.45-41,141.47-8,708.05

Finding the Fourth Proportional to 27,430.45, 41,141.47 and 8,708.05

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Solution

The fourth proportional to 27,430.45, 41,141.47 and 8,708.05 is: 13,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.45 : 41,141.47 = 8,708.05 : x
  2. Step 2: Convert to fraction form
    27,430.45/41,141.47 = 8,708.05/x
  3. Step 3: Cross multiply
    27,430.45x = 41,141.47 × 8,708.05
  4. Step 4: Simplify right side
    27,430.45x = 358,261,977.83
  5. Step 5: Solve for x
    x = 358,261,977.83/27,430.45
  6. Step 6: Final answer
    x = 13,060.74

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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.