Home / 14,804.96-20,430.38-8,840.61

Finding the Fourth Proportional to 14,804.96, 20,430.38 and 8,840.61

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Solution

The fourth proportional to 14,804.96, 20,430.38 and 8,840.61 is: 12,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.96 : 20,430.38 = 8,840.61 : x
  2. Step 2: Convert to fraction form
    14,804.96/20,430.38 = 8,840.61/x
  3. Step 3: Cross multiply
    14,804.96x = 20,430.38 × 8,840.61
  4. Step 4: Simplify right side
    14,804.96x = 180,616,977.53
  5. Step 5: Solve for x
    x = 180,616,977.53/14,804.96
  6. Step 6: Final answer
    x = 12,199.77

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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.