Home / 22,403.34-33,603.36-12,603.96

Finding the Fourth Proportional to 22,403.34, 33,603.36 and 12,603.96

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Solution

The fourth proportional to 22,403.34, 33,603.36 and 12,603.96 is: 18,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.34 : 33,603.36 = 12,603.96 : x
  2. Step 2: Convert to fraction form
    22,403.34/33,603.36 = 12,603.96/x
  3. Step 3: Cross multiply
    22,403.34x = 33,603.36 × 12,603.96
  4. Step 4: Simplify right side
    22,403.34x = 423,535,405.31
  5. Step 5: Solve for x
    x = 423,535,405.31/22,403.34
  6. Step 6: Final answer
    x = 18,905.01

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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.