Home / 34,625.13-47,782.54-18,709.55

Finding the Fourth Proportional to 34,625.13, 47,782.54 and 18,709.55

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Solution

The fourth proportional to 34,625.13, 47,782.54 and 18,709.55 is: 25,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,625.13 : 47,782.54 = 18,709.55 : x
  2. Step 2: Convert to fraction form
    34,625.13/47,782.54 = 18,709.55/x
  3. Step 3: Cross multiply
    34,625.13x = 47,782.54 × 18,709.55
  4. Step 4: Simplify right side
    34,625.13x = 893,989,821.26
  5. Step 5: Solve for x
    x = 893,989,821.26/34,625.13
  6. Step 6: Final answer
    x = 25,819.10

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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.