Home / 22,295.42-30,744.71-15,578.60

Finding the Fourth Proportional to 22,295.42, 30,744.71 and 15,578.60

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Solution

The fourth proportional to 22,295.42, 30,744.71 and 15,578.60 is: 21,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.42 : 30,744.71 = 15,578.60 : x
  2. Step 2: Convert to fraction form
    22,295.42/30,744.71 = 15,578.60/x
  3. Step 3: Cross multiply
    22,295.42x = 30,744.71 × 15,578.60
  4. Step 4: Simplify right side
    22,295.42x = 478,959,366.01
  5. Step 5: Solve for x
    x = 478,959,366.01/22,295.42
  6. Step 6: Final answer
    x = 21,482.41

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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.