Home / 13,547.08-20,303.61-8,004.25

Finding the Fourth Proportional to 13,547.08, 20,303.61 and 8,004.25

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Solution

The fourth proportional to 13,547.08, 20,303.61 and 8,004.25 is: 11,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.08 : 20,303.61 = 8,004.25 : x
  2. Step 2: Convert to fraction form
    13,547.08/20,303.61 = 8,004.25/x
  3. Step 3: Cross multiply
    13,547.08x = 20,303.61 × 8,004.25
  4. Step 4: Simplify right side
    13,547.08x = 162,515,170.34
  5. Step 5: Solve for x
    x = 162,515,170.34/13,547.08
  6. Step 6: Final answer
    x = 11,996.32

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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.