Home / 13,224.04-18,214.14-9,856.06

Finding the Fourth Proportional to 13,224.04, 18,214.14 and 9,856.06

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Solution

The fourth proportional to 13,224.04, 18,214.14 and 9,856.06 is: 13,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.04 : 18,214.14 = 9,856.06 : x
  2. Step 2: Convert to fraction form
    13,224.04/18,214.14 = 9,856.06/x
  3. Step 3: Cross multiply
    13,224.04x = 18,214.14 × 9,856.06
  4. Step 4: Simplify right side
    13,224.04x = 179,519,656.69
  5. Step 5: Solve for x
    x = 179,519,656.69/13,224.04
  6. Step 6: Final answer
    x = 13,575.25

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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.