Home / 22,191.44-30,616.84-14,641.52

Finding the Fourth Proportional to 22,191.44, 30,616.84 and 14,641.52

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Solution

The fourth proportional to 22,191.44, 30,616.84 and 14,641.52 is: 20,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.44 : 30,616.84 = 14,641.52 : x
  2. Step 2: Convert to fraction form
    22,191.44/30,616.84 = 14,641.52/x
  3. Step 3: Cross multiply
    22,191.44x = 30,616.84 × 14,641.52
  4. Step 4: Simplify right side
    22,191.44x = 448,277,075.20
  5. Step 5: Solve for x
    x = 448,277,075.20/22,191.44
  6. Step 6: Final answer
    x = 20,200.45

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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.