Home / 22,400.95-30,900.44-14,002.87

Finding the Fourth Proportional to 22,400.95, 30,900.44 and 14,002.87

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Solution

The fourth proportional to 22,400.95, 30,900.44 and 14,002.87 is: 19,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.95 : 30,900.44 = 14,002.87 : x
  2. Step 2: Convert to fraction form
    22,400.95/30,900.44 = 14,002.87/x
  3. Step 3: Cross multiply
    22,400.95x = 30,900.44 × 14,002.87
  4. Step 4: Simplify right side
    22,400.95x = 432,694,774.25
  5. Step 5: Solve for x
    x = 432,694,774.25/22,400.95
  6. Step 6: Final answer
    x = 19,315.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.