Home / 42,581.04-63,900.88-14,879.04

Finding the Fourth Proportional to 42,581.04, 63,900.88 and 14,879.04

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Solution

The fourth proportional to 42,581.04, 63,900.88 and 14,879.04 is: 22,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.04 : 63,900.88 = 14,879.04 : x
  2. Step 2: Convert to fraction form
    42,581.04/63,900.88 = 14,879.04/x
  3. Step 3: Cross multiply
    42,581.04x = 63,900.88 × 14,879.04
  4. Step 4: Simplify right side
    42,581.04x = 950,783,749.56
  5. Step 5: Solve for x
    x = 950,783,749.56/42,581.04
  6. Step 6: Final answer
    x = 22,328.81

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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.