Home / 13,244.04-18,272.12-8,203.01

Finding the Fourth Proportional to 13,244.04, 18,272.12 and 8,203.01

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Solution

The fourth proportional to 13,244.04, 18,272.12 and 8,203.01 is: 11,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.04 : 18,272.12 = 8,203.01 : x
  2. Step 2: Convert to fraction form
    13,244.04/18,272.12 = 8,203.01/x
  3. Step 3: Cross multiply
    13,244.04x = 18,272.12 × 8,203.01
  4. Step 4: Simplify right side
    13,244.04x = 149,886,250.71
  5. Step 5: Solve for x
    x = 149,886,250.71/13,244.04
  6. Step 6: Final answer
    x = 11,317.26

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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.