Home / 14,805.07-20,421.44-8,832.13

Finding the Fourth Proportional to 14,805.07, 20,421.44 and 8,832.13

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Solution

The fourth proportional to 14,805.07, 20,421.44 and 8,832.13 is: 12,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.07 : 20,421.44 = 8,832.13 : x
  2. Step 2: Convert to fraction form
    14,805.07/20,421.44 = 8,832.13/x
  3. Step 3: Cross multiply
    14,805.07x = 20,421.44 × 8,832.13
  4. Step 4: Simplify right side
    14,805.07x = 180,364,812.87
  5. Step 5: Solve for x
    x = 180,364,812.87/14,805.07
  6. Step 6: Final answer
    x = 12,182.64

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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.