Home / 22,438.32-33,661.17-8,403.18

Finding the Fourth Proportional to 22,438.32, 33,661.17 and 8,403.18

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Solution

The fourth proportional to 22,438.32, 33,661.17 and 8,403.18 is: 12,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.32 : 33,661.17 = 8,403.18 : x
  2. Step 2: Convert to fraction form
    22,438.32/33,661.17 = 8,403.18/x
  3. Step 3: Cross multiply
    22,438.32x = 33,661.17 × 8,403.18
  4. Step 4: Simplify right side
    22,438.32x = 282,860,870.52
  5. Step 5: Solve for x
    x = 282,860,870.52/22,438.32
  6. Step 6: Final answer
    x = 12,606.15

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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.