Home / 34,605.63-47,755.76-18,690.08

Finding the Fourth Proportional to 34,605.63, 47,755.76 and 18,690.08

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Solution

The fourth proportional to 34,605.63, 47,755.76 and 18,690.08 is: 25,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.63 : 47,755.76 = 18,690.08 : x
  2. Step 2: Convert to fraction form
    34,605.63/47,755.76 = 18,690.08/x
  3. Step 3: Cross multiply
    34,605.63x = 47,755.76 × 18,690.08
  4. Step 4: Simplify right side
    34,605.63x = 892,558,642.63
  5. Step 5: Solve for x
    x = 892,558,642.63/34,605.63
  6. Step 6: Final answer
    x = 25,792.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.