Home / 14,238.35-21,357.60-9,339.02

Finding the Fourth Proportional to 14,238.35, 21,357.60 and 9,339.02

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Solution

The fourth proportional to 14,238.35, 21,357.60 and 9,339.02 is: 14,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.35 : 21,357.60 = 9,339.02 : x
  2. Step 2: Convert to fraction form
    14,238.35/21,357.60 = 9,339.02/x
  3. Step 3: Cross multiply
    14,238.35x = 21,357.60 × 9,339.02
  4. Step 4: Simplify right side
    14,238.35x = 199,459,053.55
  5. Step 5: Solve for x
    x = 199,459,053.55/14,238.35
  6. Step 6: Final answer
    x = 14,008.58

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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.