Home / 14,804.32-20,430.01-8,089.94

Finding the Fourth Proportional to 14,804.32, 20,430.01 and 8,089.94

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Solution

The fourth proportional to 14,804.32, 20,430.01 and 8,089.94 is: 11,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.32 : 20,430.01 = 8,089.94 : x
  2. Step 2: Convert to fraction form
    14,804.32/20,430.01 = 8,089.94/x
  3. Step 3: Cross multiply
    14,804.32x = 20,430.01 × 8,089.94
  4. Step 4: Simplify right side
    14,804.32x = 165,277,601.12
  5. Step 5: Solve for x
    x = 165,277,601.12/14,804.32
  6. Step 6: Final answer
    x = 11,164.15

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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.