Home / 12,100.25-18,133.35-9,624.08

Finding the Fourth Proportional to 12,100.25, 18,133.35 and 9,624.08

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Solution

The fourth proportional to 12,100.25, 18,133.35 and 9,624.08 is: 14,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.25 : 18,133.35 = 9,624.08 : x
  2. Step 2: Convert to fraction form
    12,100.25/18,133.35 = 9,624.08/x
  3. Step 3: Cross multiply
    12,100.25x = 18,133.35 × 9,624.08
  4. Step 4: Simplify right side
    12,100.25x = 174,516,811.07
  5. Step 5: Solve for x
    x = 174,516,811.07/12,100.25
  6. Step 6: Final answer
    x = 14,422.58

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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.