Home / 22,388.02-30,916.21-14,443.90

Finding the Fourth Proportional to 22,388.02, 30,916.21 and 14,443.90

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Solution

The fourth proportional to 22,388.02, 30,916.21 and 14,443.90 is: 19,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.02 : 30,916.21 = 14,443.90 : x
  2. Step 2: Convert to fraction form
    22,388.02/30,916.21 = 14,443.90/x
  3. Step 3: Cross multiply
    22,388.02x = 30,916.21 × 14,443.90
  4. Step 4: Simplify right side
    22,388.02x = 446,550,454.93
  5. Step 5: Solve for x
    x = 446,550,454.93/22,388.02
  6. Step 6: Final answer
    x = 19,945.96

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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.