Home / 22,189.86-30,621.92-14,232.06

Finding the Fourth Proportional to 22,189.86, 30,621.92 and 14,232.06

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Solution

The fourth proportional to 22,189.86, 30,621.92 and 14,232.06 is: 19,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.86 : 30,621.92 = 14,232.06 : x
  2. Step 2: Convert to fraction form
    22,189.86/30,621.92 = 14,232.06/x
  3. Step 3: Cross multiply
    22,189.86x = 30,621.92 × 14,232.06
  4. Step 4: Simplify right side
    22,189.86x = 435,812,931.59
  5. Step 5: Solve for x
    x = 435,812,931.59/22,189.86
  6. Step 6: Final answer
    x = 19,640.18

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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.