Home / 34,612.87-47,765.78-18,697.32

Finding the Fourth Proportional to 34,612.87, 47,765.78 and 18,697.32

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Solution

The fourth proportional to 34,612.87, 47,765.78 and 18,697.32 is: 25,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,612.87 : 47,765.78 = 18,697.32 : x
  2. Step 2: Convert to fraction form
    34,612.87/47,765.78 = 18,697.32/x
  3. Step 3: Cross multiply
    34,612.87x = 47,765.78 × 18,697.32
  4. Step 4: Simplify right side
    34,612.87x = 893,092,120.45
  5. Step 5: Solve for x
    x = 893,092,120.45/34,612.87
  6. Step 6: Final answer
    x = 25,802.32

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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.