Home / 13,047.08-18,011.64-10,209.44

Finding the Fourth Proportional to 13,047.08, 18,011.64 and 10,209.44

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Solution

The fourth proportional to 13,047.08, 18,011.64 and 10,209.44 is: 14,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.08 : 18,011.64 = 10,209.44 : x
  2. Step 2: Convert to fraction form
    13,047.08/18,011.64 = 10,209.44/x
  3. Step 3: Cross multiply
    13,047.08x = 18,011.64 × 10,209.44
  4. Step 4: Simplify right side
    13,047.08x = 183,888,757.88
  5. Step 5: Solve for x
    x = 183,888,757.88/13,047.08
  6. Step 6: Final answer
    x = 14,094.25

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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.