Home / 22,901.36-34,325.40-18,748.40

Finding the Fourth Proportional to 22,901.36, 34,325.40 and 18,748.40

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Solution

The fourth proportional to 22,901.36, 34,325.40 and 18,748.40 is: 28,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,901.36 : 34,325.40 = 18,748.40 : x
  2. Step 2: Convert to fraction form
    22,901.36/34,325.40 = 18,748.40/x
  3. Step 3: Cross multiply
    22,901.36x = 34,325.40 × 18,748.40
  4. Step 4: Simplify right side
    22,901.36x = 643,546,329.36
  5. Step 5: Solve for x
    x = 643,546,329.36/22,901.36
  6. Step 6: Final answer
    x = 28,100.79

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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.