Home / 14,762.12-20,370.96-8,047.76

Finding the Fourth Proportional to 14,762.12, 20,370.96 and 8,047.76

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Solution

The fourth proportional to 14,762.12, 20,370.96 and 8,047.76 is: 11,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.12 : 20,370.96 = 8,047.76 : x
  2. Step 2: Convert to fraction form
    14,762.12/20,370.96 = 8,047.76/x
  3. Step 3: Cross multiply
    14,762.12x = 20,370.96 × 8,047.76
  4. Step 4: Simplify right side
    14,762.12x = 163,940,495.19
  5. Step 5: Solve for x
    x = 163,940,495.19/14,762.12
  6. Step 6: Final answer
    x = 11,105.49

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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.