Home / 22,108.50-30,535.65-14,643.54

Finding the Fourth Proportional to 22,108.50, 30,535.65 and 14,643.54

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Solution

The fourth proportional to 22,108.50, 30,535.65 and 14,643.54 is: 20,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.50 : 30,535.65 = 14,643.54 : x
  2. Step 2: Convert to fraction form
    22,108.50/30,535.65 = 14,643.54/x
  3. Step 3: Cross multiply
    22,108.50x = 30,535.65 × 14,643.54
  4. Step 4: Simplify right side
    22,108.50x = 447,150,012.20
  5. Step 5: Solve for x
    x = 447,150,012.20/22,108.50
  6. Step 6: Final answer
    x = 20,225.25

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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.